Update V8 to r6768 as required by WebKit r78450

Change-Id: Ib8868ff7147a76547a8d1d85f257ebe8546a3d3f
diff --git a/test/mjsunit/array-splice.js b/test/mjsunit/array-splice.js
index 68dd9b2..0e307b5 100644
--- a/test/mjsunit/array-splice.js
+++ b/test/mjsunit/array-splice.js
@@ -339,6 +339,20 @@
 })();
 
 
+// Check the case of JS builtin .splice()
+(function() {
+  for (var i = 0; i < 7; i++) {
+    var array = [1, 2, 3, 4];
+    Array.prototype[3] = 'foo';  // To force JS builtin.
+
+    var spliced = array.splice();
+
+    assertEquals([], spliced);
+    assertEquals([1, 2, 3, 4], array);
+  }
+})();
+
+
 // Check the behaviour when approaching maximal values for length.
 (function() {
   for (var i = 0; i < 7; i++) {
diff --git a/test/mjsunit/compiler/literals.js b/test/mjsunit/compiler/literals.js
index d846cf5..e910bb3 100644
--- a/test/mjsunit/compiler/literals.js
+++ b/test/mjsunit/compiler/literals.js
@@ -88,3 +88,6 @@
 assertEquals(19, eval('var a=1, b=2; [a,b,3,4]; 19'));
 assertEquals(23, eval('var a=1, b=2; c=23; [a,b,3,4]; c'));
 
+// Test that literals work for non-smi indices.
+// Ensure hash-map collision if using value as hash.
+var o = {"2345678901" : 42, "2345678901" : 30};
diff --git a/test/mjsunit/compiler/regress-1085.js b/test/mjsunit/compiler/regress-1085.js
new file mode 100644
index 0000000..5d787a4
--- /dev/null
+++ b/test/mjsunit/compiler/regress-1085.js
@@ -0,0 +1,35 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+// Test correct checks for negative zero.
+// This test relies on specific type feedback for Math.min.
+function f(x) { return 1 / Math.min(1, x); }
+
+for (var i=0; i<1000000; i++) f(1);
+
+assertEquals(-Infinity, f(-0));
diff --git a/test/mjsunit/compiler/regress-arguments.js b/test/mjsunit/compiler/regress-arguments.js
index 234d3fb..ebae5a0 100644
--- a/test/mjsunit/compiler/regress-arguments.js
+++ b/test/mjsunit/compiler/regress-arguments.js
@@ -46,4 +46,7 @@
  return f.apply(v, arguments);
 }
 
-for (var i=0; i<1000000; i++) assertEquals(void 0, u());
+Number.prototype.foo = 42;
+delete Number.prototype.foo;
+
+for (var i=0; i<100000; i++) assertEquals(void 0, u());
diff --git a/test/mjsunit/cyclic-error-to-string.js b/test/mjsunit/cyclic-error-to-string.js
new file mode 100644
index 0000000..2502b53
--- /dev/null
+++ b/test/mjsunit/cyclic-error-to-string.js
@@ -0,0 +1,46 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Test printing of cyclic errors which return the empty string for
+// compatibility with Safari and Firefox.
+
+var e = new Error();
+assertEquals('Error', e + '');
+
+e = new Error();
+e.name = e;
+e.message = e;
+e.stack = e;
+e.arguments = e;
+assertEquals(': ', e + '');
+
+e = new Error();
+e.name = [ e ];
+e.message = [ e ];
+e.stack = [ e ];
+e.arguments = [ e ];
+assertEquals(': ', e + '');
diff --git a/test/mjsunit/debug-backtrace-text.js b/test/mjsunit/debug-backtrace-text.js
index 67c6746..61648fa 100644
--- a/test/mjsunit/debug-backtrace-text.js
+++ b/test/mjsunit/debug-backtrace-text.js
@@ -80,9 +80,9 @@
       // 1: Call distance on Point where distance is a direct property
       // 2: Call on function an array element 2
       // 3: [anonymous]
-      assertEquals("#<a Point>.distanceTo(p=#<a Point>)", exec_state.frame(0).invocationText());
-      assertEquals("#<a Point>.distanceTo(p=#<a Point>)", exec_state.frame(1).invocationText());
-      assertEquals("#<an Array>[2](aka distance)(p=#<a Point>, q=#<a Point>)", exec_state.frame(2).invocationText());
+      assertEquals("#<Point>.distanceTo(p=#<Point>)", exec_state.frame(0).invocationText());
+      assertEquals("#<Point>.distanceTo(p=#<Point>)", exec_state.frame(1).invocationText());
+      assertEquals("#<Array>[2](aka distance)(p=#<Point>, q=#<Point>)", exec_state.frame(2).invocationText());
       assertEquals("[anonymous]()", exec_state.frame(3).invocationText());
       listenerCalled = true;
     } else {
diff --git a/test/mjsunit/delete-global-properties.js b/test/mjsunit/delete-global-properties.js
index b3813dc..2acf591 100644
--- a/test/mjsunit/delete-global-properties.js
+++ b/test/mjsunit/delete-global-properties.js
@@ -1,4 +1,4 @@
-// Copyright 2008 the V8 project authors. All rights reserved.
+// Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
@@ -32,6 +32,17 @@
 assertTrue("tmp" in this);
 function f() { return 1; }
 assertFalse(delete f);  // should be DONT_DELETE
-assertEquals(1, f());  
+assertEquals(1, f());
 
-/* Perhaps related to bugs/11? */
+// Check that deleting and reintroducing global variables works.
+// Get into the IC case for storing to a deletable global property.
+function introduce_x() { x = 42; }
+for (var i = 0; i < 10; i++) introduce_x();
+// Check that the property has been introduced.
+assertTrue(this.hasOwnProperty('x'));
+// Check that deletion works.
+delete x;
+assertFalse(this.hasOwnProperty('x'));
+// Check that reintroduction works.
+introduce_x();
+assertTrue(this.hasOwnProperty('x'));
diff --git a/test/mjsunit/get-own-property-descriptor.js b/test/mjsunit/get-own-property-descriptor.js
index ceb7715..79c1fac 100644
--- a/test/mjsunit/get-own-property-descriptor.js
+++ b/test/mjsunit/get-own-property-descriptor.js
@@ -103,3 +103,19 @@
 objWithProto[0] = 'bar';
 var descWithProto = Object.getOwnPropertyDescriptor(objWithProto, '10');
 assertEquals(undefined, descWithProto);
+
+// Test elements on global proxy object.
+var global = (function() { return this; })();
+
+global[42] = 42;
+
+function el_getter() { return 239; };
+function el_setter() {};
+Object.defineProperty(global, '239', {get: el_getter, set: el_setter});
+
+var descRegularElement = Object.getOwnPropertyDescriptor(global, '42');
+assertEquals(42, descRegularElement.value);
+
+var descAccessorElement = Object.getOwnPropertyDescriptor(global, '239');
+assertEquals(el_getter, descAccessorElement.get);
+assertEquals(el_setter, descAccessorElement.set);
diff --git a/test/mjsunit/getter-in-prototype.js b/test/mjsunit/getter-in-prototype.js
index dd26c53..5563123 100644
--- a/test/mjsunit/getter-in-prototype.js
+++ b/test/mjsunit/getter-in-prototype.js
@@ -31,9 +31,11 @@
 var o = {};
 var p = {};
 p.__defineGetter__('x', function(){});
+p.__defineGetter__(0, function(){});
 o.__proto__ = p;
 
 assertThrows("o.x = 42");
+assertThrows("o[0] = 42");
 
 function f() {
   with(o) {
@@ -48,3 +50,9 @@
   x = 42;
 }
 assertThrows("g()");
+
+__proto__ = p;
+function g2() {
+  this[0] = 42;
+}
+assertThrows("g2()");
diff --git a/test/mjsunit/json.js b/test/mjsunit/json.js
index a0be8dd..812ffeb 100644
--- a/test/mjsunit/json.js
+++ b/test/mjsunit/json.js
@@ -415,3 +415,17 @@
 falseNum.__proto__ = Number.prototype;
 falseNum.toString = function() { return 42; };
 assertEquals('"42"', JSON.stringify(falseNum));
+
+// We don't currently allow plain properties called __proto__ in JSON
+// objects in JSON.parse. Instead we read them as we would JS object
+// literals. If we change that, this test should change with it.
+// 
+// Parse a non-object value as __proto__. This must not create a 
+// __proto__ property different from the original, and should not 
+// change the original.
+var o = JSON.parse('{"__proto__":5}');
+assertEquals(Object.prototype, o.__proto__);  // __proto__ isn't changed.
+assertEquals(0, Object.keys(o).length);  // __proto__ isn't added as enumerable.
+
+
+
diff --git a/test/mjsunit/math-pow.js b/test/mjsunit/math-pow.js
index e732955..30d0cbd 100644
--- a/test/mjsunit/math-pow.js
+++ b/test/mjsunit/math-pow.js
@@ -58,10 +58,11 @@
 assertEquals(Infinity, Math.pow(2, Infinity));
 assertEquals(Infinity, Math.pow(-2, Infinity));
 
-assertEquals(+0, Math.pow(1.1, -Infinity));
-assertEquals(+0, Math.pow(-1.1, -Infinity));
-assertEquals(+0, Math.pow(2, -Infinity));
-assertEquals(+0, Math.pow(-2, -Infinity));
+// Because +0 == -0, we need to compare 1/{+,-}0 to {+,-}Infinity
+assertEquals(+Infinity, 1/Math.pow(1.1, -Infinity));
+assertEquals(+Infinity, 1/Math.pow(-1.1, -Infinity));
+assertEquals(+Infinity, 1/Math.pow(2, -Infinity));
+assertEquals(+Infinity, 1/Math.pow(-2, -Infinity));
 
 assertEquals(NaN, Math.pow(1, Infinity));
 assertEquals(NaN, Math.pow(1, -Infinity));
@@ -81,8 +82,8 @@
 assertEquals(Infinity, Math.pow(Infinity, 0.1));
 assertEquals(Infinity, Math.pow(Infinity, 2));
 
-assertEquals(+0, Math.pow(Infinity, -0.1));
-assertEquals(+0, Math.pow(Infinity, -2));
+assertEquals(+Infinity, 1/Math.pow(Infinity, -0.1));
+assertEquals(+Infinity, 1/Math.pow(Infinity, -2));
 
 assertEquals(-Infinity, Math.pow(-Infinity, 3));
 assertEquals(-Infinity, Math.pow(-Infinity, 13));
@@ -90,23 +91,23 @@
 assertEquals(Infinity, Math.pow(-Infinity, 3.1));
 assertEquals(Infinity, Math.pow(-Infinity, 2));
 
-assertEquals(-0, Math.pow(-Infinity, -3));
-assertEquals(-0, Math.pow(-Infinity, -13));
+assertEquals(-Infinity, 1/Math.pow(-Infinity, -3));
+assertEquals(-Infinity, 1/Math.pow(-Infinity, -13));
 
-assertEquals(+0, Math.pow(-Infinity, -3.1));
-assertEquals(+0, Math.pow(-Infinity, -2));
+assertEquals(+Infinity, 1/Math.pow(-Infinity, -3.1));
+assertEquals(+Infinity, 1/Math.pow(-Infinity, -2));
 
-assertEquals(+0, Math.pow(+0, 1.1));
-assertEquals(+0, Math.pow(+0, 2));
+assertEquals(+Infinity, 1/Math.pow(+0, 1.1));
+assertEquals(+Infinity, 1/Math.pow(+0, 2));
 
 assertEquals(Infinity, Math.pow(+0, -1.1));
 assertEquals(Infinity, Math.pow(+0, -2));
 
-assertEquals(-0, Math.pow(-0, 3));
-assertEquals(-0, Math.pow(-0, 13));
+assertEquals(-Infinity, 1/Math.pow(-0, 3));
+assertEquals(-Infinity, 1/Math.pow(-0, 13));
 
-assertEquals(+0, Math.pow(-0, 3.1));
-assertEquals(+0, Math.pow(-0, 2));
+assertEquals(+Infinity, 1/Math.pow(-0, 3.1));
+assertEquals(+Infinity, 1/Math.pow(-0, 2));
 
 assertEquals(-Infinity, Math.pow(-0, -3));
 assertEquals(-Infinity, Math.pow(-0, -13));
@@ -123,6 +124,18 @@
 assertEquals(NaN, Math.pow(-1000, 1.1));
 assertEquals(NaN, Math.pow(-1000, -1.1));
 
+assertEquals(+Infinity, 1/Math.pow(-0, 0.5));
+assertEquals(+Infinity, 1/Math.pow(-0, 0.6));
+assertEquals(-Infinity, 1/Math.pow(-0, 1));
+assertEquals(-Infinity, 1/Math.pow(-0, 10000000001));
+
+assertEquals(+Infinity, Math.pow(-0, -0.5));
+assertEquals(+Infinity, Math.pow(-0, -0.6));
+assertEquals(-Infinity, Math.pow(-0, -1));
+assertEquals(-Infinity, Math.pow(-0, -10000000001));
+
+
+
 // Tests from Sputnik S8.5_A13_T1.
 assertTrue((1*((Math.pow(2,53))-1)*(Math.pow(2,-1074))) === 4.4501477170144023e-308);
 assertTrue((1*(Math.pow(2,52))*(Math.pow(2,-1074))) === 2.2250738585072014e-308);
diff --git a/test/mjsunit/mirror-error.js b/test/mjsunit/mirror-error.js
index 4ed8c1b..9fea17c 100644
--- a/test/mjsunit/mirror-error.js
+++ b/test/mjsunit/mirror-error.js
@@ -76,7 +76,7 @@
     }
     assertTrue(found_message, 'Property message not found');
   }
-  
+
   // Check the formatted text (regress 1231579).
   assertEquals(fromJSON.text, e.toString(), 'toString');
 }
diff --git a/test/mjsunit/mjsunit.status b/test/mjsunit/mjsunit.status
index 39ddf5a..4012799 100644
--- a/test/mjsunit/mjsunit.status
+++ b/test/mjsunit/mjsunit.status
@@ -105,6 +105,10 @@
 regress/regress-3218915: SKIP
 regress/regress-3247124: SKIP
 
+# Requires bigger stack size in the Genesis and if stack size is increased,
+# the test requires too much time to run.  However, the problem test covers
+# should be platform-independent.
+regress/regress-1132: SKIP
 
 ##############################################################################
 [ $arch == arm && $crankshaft ]
@@ -112,6 +116,8 @@
 # Test that currently fails with crankshaft on ARM.
 compiler/simple-osr: FAIL
 
+# BUG (1094)
+regress/regress-deopt-gc: SKIP
 
 ##############################################################################
 [ $arch == x64 && $crankshaft ]
@@ -119,9 +125,8 @@
 # BUG (1026) This test is currently flaky.
 compiler/simple-osr: SKIP
 
-# BUG(1049): Currently no deoptimization support.
-debug-liveedit-newsource: SKIP
-debug-liveedit-1: SKIP
+# BUG (1094)
+regress/regress-deopt-gc: SKIP
 
 ##############################################################################
 [ $arch == mips ]
diff --git a/test/mjsunit/object-define-property.js b/test/mjsunit/object-define-property.js
index d24a4e5..a8a3213 100644
--- a/test/mjsunit/object-define-property.js
+++ b/test/mjsunit/object-define-property.js
@@ -749,14 +749,33 @@
 assertTrue(desc.enumerable);
 assertFalse(desc.configurable);
 
-// Ensure that we can't overwrite the non configurable element.
+// Can use defineProperty to change the value of a non
+// configurable property.
 try {
   Object.defineProperty(obj6, '2', descElement);
+  desc = Object.getOwnPropertyDescriptor(obj6, '2');
+  assertEquals(desc.value, 'foobar');
+} catch (e) {
+  assertUnreachable();
+}
+
+// Ensure that we can't change the descriptor of a
+// non configurable property.
+try {
+  var descAccessor = { get: function() { return 0; } };
+  Object.defineProperty(obj6, '2', descAccessor);
   assertUnreachable();
 } catch (e) {
   assertTrue(/Cannot redefine property/.test(e));
 }
 
+Object.defineProperty(obj6, '2', descElementNonWritable);
+desc = Object.getOwnPropertyDescriptor(obj6, '2');
+assertEquals(desc.value, 'foofoo');
+assertFalse(desc.writable);
+assertTrue(desc.enumerable);
+assertFalse(desc.configurable);
+
 Object.defineProperty(obj6, '3', descElementNonWritable);
 desc = Object.getOwnPropertyDescriptor(obj6, '3');
 assertEquals(desc.value, 'foofoo');
@@ -827,14 +846,33 @@
 assertTrue(desc.enumerable);
 assertFalse(desc.configurable);
 
-// Ensure that we can't overwrite the non configurable element.
+// Can use defineProperty to change the value of a non
+// configurable property of an array.
 try {
   Object.defineProperty(arr, '2', descElement);
+  desc = Object.getOwnPropertyDescriptor(arr, '2');
+  assertEquals(desc.value, 'foobar');
+} catch (e) {
+  assertUnreachable();
+}
+
+// Ensure that we can't change the descriptor of a
+// non configurable property.
+try {
+  var descAccessor = { get: function() { return 0; } };
+  Object.defineProperty(arr, '2', descAccessor);
   assertUnreachable();
 } catch (e) {
   assertTrue(/Cannot redefine property/.test(e));
 }
 
+Object.defineProperty(arr, '2', descElementNonWritable);
+desc = Object.getOwnPropertyDescriptor(arr, '2');
+assertEquals(desc.value, 'foofoo');
+assertFalse(desc.writable);
+assertTrue(desc.enumerable);
+assertFalse(desc.configurable);
+
 Object.defineProperty(arr, '3', descElementNonWritable);
 desc = Object.getOwnPropertyDescriptor(arr, '3');
 assertEquals(desc.value, 'foofoo');
@@ -898,3 +936,98 @@
 assertEquals(undefined, o.x);
 o.x = 37;
 assertEquals(undefined, o.x);
+
+function testDefineProperty(obj, propertyName, desc, resultDesc) {
+  Object.defineProperty(obj, propertyName, desc);
+  var actualDesc = Object.getOwnPropertyDescriptor(obj, propertyName);
+  assertEquals(resultDesc.enumerable, actualDesc.enumerable);
+  assertEquals(resultDesc.configurable, actualDesc.configurable);
+  if (resultDesc.hasOwnProperty('value')) {
+    assertEquals(resultDesc.value, actualDesc.value);
+    assertEquals(resultDesc.writable, actualDesc.writable);
+    assertFalse(resultDesc.hasOwnProperty('get'));
+    assertFalse(resultDesc.hasOwnProperty('set'));
+  } else {
+    assertEquals(resultDesc.get, actualDesc.get);
+    assertEquals(resultDesc.set, actualDesc.set);
+    assertFalse(resultDesc.hasOwnProperty('value'));
+    assertFalse(resultDesc.hasOwnProperty('writable'));
+  }
+}
+
+// tests redefining existing property with a generic descriptor
+o = { p : 42 };
+testDefineProperty(o, 'p',
+  { },
+  { value : 42, writable : true, enumerable : true, configurable : true });
+
+o = { p : 42 };
+testDefineProperty(o, 'p',
+  { enumerable : true },
+  { value : 42, writable : true, enumerable : true, configurable : true });
+
+o = { p : 42 };
+testDefineProperty(o, 'p',
+  { configurable : true },
+  { value : 42, writable : true, enumerable : true, configurable : true });
+
+o = { p : 42 };
+testDefineProperty(o, 'p',
+  { enumerable : false },
+  { value : 42, writable : true, enumerable : false, configurable : true });
+
+o = { p : 42 };
+testDefineProperty(o, 'p',
+  { configurable : false },
+  { value : 42, writable : true, enumerable : true, configurable : false });
+
+o = { p : 42 };
+testDefineProperty(o, 'p',
+  { enumerable : true, configurable : true },
+  { value : 42, writable : true, enumerable : true, configurable : true });
+
+o = { p : 42 };
+testDefineProperty(o, 'p',
+  { enumerable : false, configurable : true },
+  { value : 42, writable : true, enumerable : false, configurable : true });
+
+o = { p : 42 };
+testDefineProperty(o, 'p',
+  { enumerable : true, configurable : false },
+  { value : 42, writable : true, enumerable : true, configurable : false });
+
+o = { p : 42 };
+testDefineProperty(o, 'p',
+  { enumerable : false, configurable : false },
+  { value : 42, writable : true, enumerable : false, configurable : false });
+
+// can make a writable, non-configurable field non-writable
+o = { p : 42 };
+Object.defineProperty(o, 'p', { configurable: false });
+testDefineProperty(o, 'p',
+  { writable: false },
+  { value : 42, writable : false, enumerable : true, configurable : false });
+
+// redefine of get only property with generic descriptor
+o = {};
+Object.defineProperty(o, 'p',
+  { get : getter1, enumerable: true, configurable: true });
+testDefineProperty(o, 'p',
+  { enumerable : false, configurable : false },
+  { get: getter1, set: undefined, enumerable : false, configurable : false });
+
+// redefine of get/set only property with generic descriptor
+o = {};
+Object.defineProperty(o, 'p',
+  { get: getter1, set: setter1, enumerable: true, configurable: true });
+testDefineProperty(o, 'p',
+  { enumerable : false, configurable : false },
+  { get: getter1, set: setter1, enumerable : false, configurable : false });
+
+// redefine of set only property with generic descriptor
+o = {};
+Object.defineProperty(o, 'p',
+  { set : setter1, enumerable: true, configurable: true });
+testDefineProperty(o, 'p',
+  { enumerable : false, configurable : false },
+  { get: undefined, set: setter1, enumerable : false, configurable : false });
diff --git a/test/mjsunit/regress/regress-1060.js b/test/mjsunit/regress/regress-1060.js
new file mode 100644
index 0000000..8abe178
--- /dev/null
+++ b/test/mjsunit/regress/regress-1060.js
@@ -0,0 +1,32 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Make sure that we do not record multiple bailouts in the unoptimized code
+// for the (shared) .arguments proxy, even for calls.
+function f(x) { arguments; return x() + x(); }
+
+assertEquals("hesthest", f(function () { return "hest"; }));
diff --git a/test/mjsunit/regress/regress-1079.js b/test/mjsunit/regress/regress-1079.js
new file mode 100644
index 0000000..f3f3ce5
--- /dev/null
+++ b/test/mjsunit/regress/regress-1079.js
@@ -0,0 +1,45 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Getting the arguments property of an optimized function should not crash,
+// even if called through our optimized version of Function.prototype.apply.
+
+function optimized() {
+  return unoptimized.apply(null, arguments);
+}
+
+// It's not crucial that this is unoptimized.
+function unoptimized() {
+  with ({}) {
+    return optimized.arguments;
+  }
+}
+
+for (var i = 0; i < 100000; ++i) {
+  assertEquals(3, optimized(1, 2, 3).length);
+}
+
diff --git a/test/mjsunit/regress/regress-1083.js b/test/mjsunit/regress/regress-1083.js
new file mode 100644
index 0000000..d231899
--- /dev/null
+++ b/test/mjsunit/regress/regress-1083.js
@@ -0,0 +1,38 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Test that changing the generic descriptor flags on a property
+// on the global object doesn't break invariants.
+Object.defineProperty(this, 'Object', {enumerable:true});
+
+var desc = Object.getOwnPropertyDescriptor(this, 'Object');
+assertTrue(desc.enumerable);
+assertTrue(desc.configurable);
+assertFalse(desc.hasOwnProperty('get'));
+assertFalse(desc.hasOwnProperty('set'));
+assertTrue(desc.hasOwnProperty('value'));
+assertTrue(desc.writable);
diff --git a/test/mjsunit/regress/regress-1092.js b/test/mjsunit/regress/regress-1092.js
new file mode 100644
index 0000000..0b29231
--- /dev/null
+++ b/test/mjsunit/regress/regress-1092.js
@@ -0,0 +1,35 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Test that CodeGenerator::EmitKeyedPropertyAssignment for the start 
+// of an initialization block doesn't normalize the properties of the
+// JSGlobalProxy.
+this.w = 0;
+this.x = 1;
+this.y = 2;
+this.z = 3;
+
diff --git a/test/mjsunit/regress/regress-1099.js b/test/mjsunit/regress/regress-1099.js
new file mode 100644
index 0000000..0ed6ede
--- /dev/null
+++ b/test/mjsunit/regress/regress-1099.js
@@ -0,0 +1,46 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Test that LApplyArguments lithium instruction restores context after the call.
+
+function X() {
+  var slot = "foo"; return function (a) { return slot === a; }
+}
+
+function Y(x) {
+  var slot = "bar";
+  return function (a) {
+    x.apply(this, arguments);
+    return slot === 'bar';
+  };
+}
+
+var y = Y(X());
+
+for (var i = 0; i < 1000000; i++) {
+  assertTrue(y("foo"));
+}
diff --git a/test/mjsunit/regress/regress-1103.js b/test/mjsunit/regress/regress-1103.js
new file mode 100644
index 0000000..4ad25b3
--- /dev/null
+++ b/test/mjsunit/regress/regress-1103.js
@@ -0,0 +1,32 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Test that freezing the global object functions correctly and does not
+// freeze the global proxy.
+
+var obj = this;
+obj = Object.freeze(obj);
diff --git a/test/mjsunit/regress/regress-1104.js b/test/mjsunit/regress/regress-1104.js
new file mode 100644
index 0000000..aca0a66
--- /dev/null
+++ b/test/mjsunit/regress/regress-1104.js
@@ -0,0 +1,37 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// A redeclaration of a variable that aliases a parameter and so rewrites to
+// an arguments object access should not record duplicate AST IDs for
+// bailout.
+function test(f) {
+  function f() {}
+  function f() {}
+  return arguments;
+}
+
+test();
diff --git a/test/mjsunit/regress/regress-1105.js b/test/mjsunit/regress/regress-1105.js
new file mode 100644
index 0000000..cfe2bd3
--- /dev/null
+++ b/test/mjsunit/regress/regress-1105.js
@@ -0,0 +1,38 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// This should properly catch the exception from the setter triggered
+// by the loaded file, and it should not fail an assertion in debug mode.
+
+__defineSetter__("x", function(){ throw 42; });
+
+try {
+   this.eval('function x(){}');
+   assertUnreachable();
+} catch (e) {
+   assertEquals(42, e);
+}
diff --git a/test/mjsunit/regress/regress-1106.js b/test/mjsunit/regress/regress-1106.js
new file mode 100644
index 0000000..382fd1b
--- /dev/null
+++ b/test/mjsunit/regress/regress-1106.js
@@ -0,0 +1,50 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Test for issue 1106, where the optimizing compiler broke when accessing
+// a property lying on a prototype of the global object, and that prototype
+// object was in dictionary mode.
+
+x = Object.prototype;
+x.foo = 3;
+x.bar = 4;
+delete x.foo;
+x.foo = 5;
+
+function f() { return foo; }
+
+for (i=0 ; i < 100000; ++i) {
+  assertEquals(5, f());
+}
+
+// Test calls on functions defined in the prototype of the global object.
+x.gee = function() { return 42; }
+function g() { return gee(); }
+
+for (i=0 ; i < 100000; ++i) {
+  assertEquals(42, g());
+}
diff --git a/test/mjsunit/regress/regress-1107.js b/test/mjsunit/regress/regress-1107.js
new file mode 100644
index 0000000..4ba277a
--- /dev/null
+++ b/test/mjsunit/regress/regress-1107.js
@@ -0,0 +1,32 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Test that even if we cannot set element 0 on all the objects, we still
+// can format exception messages to some extent.
+
+Object.prototype.__defineGetter__(0, function(){});
+assertThrows("x");
diff --git a/test/mjsunit/regress/regress-1110.js b/test/mjsunit/regress/regress-1110.js
new file mode 100644
index 0000000..204a87b
--- /dev/null
+++ b/test/mjsunit/regress/regress-1110.js
@@ -0,0 +1,38 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Test that the illegal continue is thrown at parse time.
+
+try {
+  function Crash() { continue;if (Crash) {
+    } } 
+  Crash();
+  assertTrue(false);
+} catch (e) {
+  assertTrue(e instanceof SyntaxError);
+  assertTrue(/continue/.test(e.message));
+}
diff --git a/test/mjsunit/regress/regress-1112.js b/test/mjsunit/regress/regress-1112.js
new file mode 100644
index 0000000..d780106
--- /dev/null
+++ b/test/mjsunit/regress/regress-1112.js
@@ -0,0 +1,36 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Regression test making sure that defineProperty on the global proxy
+// defines the property on the global object.
+
+Object.defineProperty(this,
+                      1,
+                      { configurable: true, enumerable: true, value: 3 });
+assertEquals(3, this[1]);
+assertTrue(this.hasOwnProperty("1"));
+
diff --git a/test/mjsunit/regress/regress-1117.js b/test/mjsunit/regress/regress-1117.js
new file mode 100644
index 0000000..b013a22
--- /dev/null
+++ b/test/mjsunit/regress/regress-1117.js
@@ -0,0 +1,35 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Test that we actually return the right value (-0) when we multiply
+// constant 0 with a negative integer.
+
+function foo(y) {return 0 * y; }
+for( var i = 0; i< 1000000; i++){
+  foo(42);
+}
+assertEquals(1/foo(-42), -Infinity);
diff --git a/test/mjsunit/regress/regress-1118.js b/test/mjsunit/regress/regress-1118.js
new file mode 100644
index 0000000..84f96e4
--- /dev/null
+++ b/test/mjsunit/regress/regress-1118.js
@@ -0,0 +1,50 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// An exception thrown in a function optimized by on-stack replacement (OSR)
+// should be able to construct a receiver from all optimized stack frames.
+
+function A() { }
+A.prototype.f = function() { }
+
+function B() { }
+
+var o = new A();
+
+// This function throws if o does not have an f property, and should not be
+// inlined.
+function g() { try { return o.f(); } finally { }}
+
+// This function should be optimized via OSR.
+function h() {
+  while(false) ;
+  for (var j = 0; j < 5000000; j++) g();
+}
+
+h();
+o = new B();
+assertThrows("h()");
diff --git a/test/mjsunit/regress/regress-1119.js b/test/mjsunit/regress/regress-1119.js
new file mode 100644
index 0000000..484893c
--- /dev/null
+++ b/test/mjsunit/regress/regress-1119.js
@@ -0,0 +1,45 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Test runtime declaration of properties with var which are intercepted
+// by JS accessors.
+
+__proto__.__defineSetter__("x", function() { hasBeenInvoked = true; });
+__proto__.__defineSetter__("y", function() { throw 'exception'; });
+
+var hasBeenInvoked = false;
+eval("try { } catch (e) { var x = false; }");
+assertTrue(hasBeenInvoked);
+
+var exception;
+try {
+  eval("try { } catch (e) { var y = false; }");
+  assertUnreachable();
+} catch (e) {
+  exception = e;
+}
+assertEquals('exception', exception);
diff --git a/test/mjsunit/regress/regress-1120.js b/test/mjsunit/regress/regress-1120.js
new file mode 100644
index 0000000..c8c06aa
--- /dev/null
+++ b/test/mjsunit/regress/regress-1120.js
@@ -0,0 +1,33 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Test that retrieving the extensible value for the global object is
+// working correctly and does not return the bit from the global proxy map.
+
+var obj = this;
+Object.freeze(obj);
+assertFalse(Object.isExtensible(obj));
diff --git a/test/mjsunit/regress/regress-1121.js b/test/mjsunit/regress/regress-1121.js
new file mode 100644
index 0000000..0ad29cc
--- /dev/null
+++ b/test/mjsunit/regress/regress-1121.js
@@ -0,0 +1,34 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// See: http://code.google.com/p/v8/issues/detail?id=1121
+
+// Test that changing Array.prototype.__proto__ keeps Array functions working.
+
+Array.prototype.__proto__ = null;
+// pop has custom call generator, so we need some beefier function.
+assertEquals([1, 2, 3], [1, 2, 3].slice());
diff --git a/test/mjsunit/regress/regress-1122.js b/test/mjsunit/regress/regress-1122.js
new file mode 100644
index 0000000..7dc9b24
--- /dev/null
+++ b/test/mjsunit/regress/regress-1122.js
@@ -0,0 +1,55 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Test that we can handle functions with up to 32766 arguments, and that
+// functions with more arguments throw an exception.
+
+// See http://code.google.com/p/v8/issues/detail?id=1122.
+
+function function_with_n_args(n) {
+  test_prefix = 'prefix ';
+  test_suffix = ' suffix';
+  var source = 'test_prefix + (function f(';
+  for (var arg = 0; arg < n ; arg++) {
+    if (arg != 0) source += ',';
+    source += 'arg' + arg;
+  }
+  source += ') { return arg' + (n - n % 2) / 2 + '; })(';
+  for (var arg = 0; arg < n ; arg++) {
+    if (arg != 0) source += ',';
+    source += arg;
+  }
+  source += ') + test_suffix';
+  return eval(source);
+}
+
+assertEquals('prefix 4000 suffix', function_with_n_args(8000));
+assertEquals('prefix 9000 suffix', function_with_n_args(18000));
+assertEquals('prefix 16000 suffix', function_with_n_args(32000));
+
+assertThrows("function_with_n_args(35000)");
+assertThrows("function_with_n_args(100000)");
diff --git a/test/mjsunit/regress/regress-1125.js b/test/mjsunit/regress/regress-1125.js
new file mode 100644
index 0000000..b0e1cb7
--- /dev/null
+++ b/test/mjsunit/regress/regress-1125.js
@@ -0,0 +1,41 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Test a lot of updates to freshly created contexts.
+
+function f(x, y) {
+  with ("abcdefghijxxxxxxxxxx")
+    var y = {};
+}
+
+function g() {
+  f.apply(this, arguments);
+}
+
+for (var i = 0; i < 150000; i++) {
+  g(i);
+}
diff --git a/test/mjsunit/regress/regress-1126.js b/test/mjsunit/regress/regress-1126.js
new file mode 100644
index 0000000..303583b
--- /dev/null
+++ b/test/mjsunit/regress/regress-1126.js
@@ -0,0 +1,35 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// This should properly catch the exception from the setter triggered
+// by the loaded file, and it should not fail an assertion in debug mode.
+
+try {
+   eval('--');
+   assertUnreachable();
+} catch (e) {
+}
diff --git a/test/mjsunit/regress/regress-1129.js b/test/mjsunit/regress/regress-1129.js
new file mode 100644
index 0000000..37bf9a8
--- /dev/null
+++ b/test/mjsunit/regress/regress-1129.js
@@ -0,0 +1,44 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --verify-heap --expose-gc
+
+// This should not hit an assertion in debug mode.
+
+// Create RegExp that is syntactically correct, but throws a stack overflow
+// during compilation.
+var source = Array(50000).join("(") + "a" + Array(50000).join(")");
+var r = RegExp(source);
+try {
+  // Try to compile in UC16 mode, and drop the exception.
+  r.test("\x80");
+  assertUnreachable();
+} catch (e) {
+}
+
+// Trigger a heap validation.
+gc();
diff --git a/test/mjsunit/regress/regress-1130.js b/test/mjsunit/regress/regress-1130.js
new file mode 100644
index 0000000..188f3f9
--- /dev/null
+++ b/test/mjsunit/regress/regress-1130.js
@@ -0,0 +1,38 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Test that parser errors can be build up correctly even in the presence
+// of JS accessors on Object's prototype elements.
+
+Object.prototype.__defineGetter__(0, function() { throw 42; } );
+
+try {
+  eval("(function() { const x; var x })")();
+  assertUnreachable();
+} catch (e) {
+  assertTrue(e instanceof TypeError);
+}
diff --git a/test/mjsunit/regress/regress-1131.js b/test/mjsunit/regress/regress-1131.js
new file mode 100644
index 0000000..a1af9c9
--- /dev/null
+++ b/test/mjsunit/regress/regress-1131.js
@@ -0,0 +1,29 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+var nonArray = { length: 4, 0: 42, 2: 37, 0xf7da5000: undefined, 4: 0 };
+Array.prototype.sort.call(nonArray);
diff --git a/test/mjsunit/regress/regress-1132.js b/test/mjsunit/regress/regress-1132.js
new file mode 100644
index 0000000..4423ecd
--- /dev/null
+++ b/test/mjsunit/regress/regress-1132.js
@@ -0,0 +1,48 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Test the case when exception is thrown from the parser when lazy
+// compiling a function.
+
+// Flags: --stack_size=32
+// NOTE: stack size constant above has been empirically chosen.
+// If the test starts to fail in Genesis, consider increasing this constant.
+
+function test() {
+  try {
+    test(1, test(1));
+  } catch(e) {
+    assertFalse(delete e, "deleting catch variable");
+    assertEquals(42, e);
+  }
+}
+
+try {
+  test();
+  assertUnreachable();
+} catch (e) {
+}
diff --git a/test/mjsunit/regress/regress-1150.js b/test/mjsunit/regress/regress-1150.js
new file mode 100644
index 0000000..57f739a
--- /dev/null
+++ b/test/mjsunit/regress/regress-1150.js
@@ -0,0 +1,33 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Test that Object.keys is working correctly on the global object.
+
+var a = 10;
+var global = (function () { return this; }) ();
+var keys = Object.keys(global);
+assertTrue(keys.indexOf("a") > 0);
diff --git a/test/mjsunit/regress/regress-3408144.js b/test/mjsunit/regress/regress-3408144.js
new file mode 100644
index 0000000..6e292d6
--- /dev/null
+++ b/test/mjsunit/regress/regress-3408144.js
@@ -0,0 +1,37 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Test incorrect code generation for alternations on ARM.
+
+
+// Flags: --nofull-compiler
+
+function foo() {
+  return (0 > ("10"||10) - 1);
+}
+
+assertFalse(foo());
diff --git a/test/mjsunit/regress/regress-70066.js b/test/mjsunit/regress/regress-70066.js
new file mode 100644
index 0000000..b8386a7
--- /dev/null
+++ b/test/mjsunit/regress/regress-70066.js
@@ -0,0 +1,146 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Regression test for Chromium issue 70066.  Delete should work properly
+// from inside 'with' scopes.
+// http://code.google.com/p/chromium/issues/detail?id=70066
+
+x = 0;
+
+// Delete on a slot from a function's own context.
+function test1() {
+  var value = 1;
+  var status;
+  with ({}) { status = delete value; }
+  return value + ":" + status;
+}
+
+assertEquals("1:false", test1(), "test1");
+assertEquals(0, x, "test1");  // Global x is undisturbed.
+
+
+// Delete on a slot from an outer context.
+function test2() {
+  function f() {
+    with ({}) { return delete value; }
+  }
+  var value = 2;
+  var status = f();
+  return value + ":" + status;
+}
+
+assertEquals("2:false", test2(), "test2");
+assertEquals(0, x, "test2");  // Global x is undisturbed.
+
+
+// Delete on an argument.  This hits the same code paths as test5 because
+// 'with' forces all parameters to be indirected through the arguments
+// object.
+function test3(value) {
+  var status;
+  with ({}) { status = delete value; }
+  return value + ":" + status;
+}
+
+assertEquals("undefined:true", test3(3), "test3");
+assertEquals(0, x, "test3");  // Global x is undisturbed.
+
+
+// Delete on an argument from an outer context.  This hits the same code
+// path as test2.
+function test4(value) {
+  function f() {
+    with ({}) { return delete value; }
+  }
+  var status = f();
+  return value + ":" + status;
+}
+
+assertEquals("4:false", test4(4), "test4");
+assertEquals(0, x, "test4");  // Global x is undisturbed.
+
+
+// Delete on an argument found in the arguments object.  Such properties are
+// normally DONT_DELETE in JavaScript but deletion is allowed by V8.
+function test5(value) {
+  var status;
+  with ({}) { status = delete value; }
+  return arguments[0] + ":" + status;
+}
+
+assertEquals("undefined:true", test5(5), "test5");
+assertEquals(0, x, "test5");  // Global x is undisturbed.
+
+function test6(value) {
+  function f() {
+    with ({}) { return delete value; }
+  }
+  var status = f();
+  return arguments[0] + ":" + status;
+}
+
+assertEquals("undefined:true", test6(6), "test6");
+assertEquals(0, x, "test6");  // Global x is undisturbed.
+
+
+// Delete on a property found on 'with' object.
+function test7(object) {
+  with (object) { return delete value; }
+}
+
+var o = {value: 7};
+assertEquals(true, test7(o), "test7");
+assertEquals(void 0, o.value, "test7");
+assertEquals(0, x, "test7");  // Global x is undisturbed.
+
+
+// Delete on a global property.
+function test8() {
+  with ({}) { return delete x; }
+}
+
+assertEquals(true, test8(), "test8");
+assertThrows("x", "test8");  // Global x should be deleted.
+
+
+// Delete on a property that is not found anywhere.
+function test9() {
+  with ({}) { return delete x; }
+}
+
+assertThrows("x", "test9");  // Make sure it's not there.
+assertEquals(true, test9(), "test9");
+
+
+// Delete on a DONT_DELETE property of the global object.
+var y = 10;
+function test10() {
+  with ({}) { return delete y; }
+}
+
+assertEquals(false, test10(), "test10");
+assertEquals(10, y, "test10");
diff --git a/test/mjsunit/regress/regress-71647.js b/test/mjsunit/regress/regress-71647.js
new file mode 100644
index 0000000..4451011
--- /dev/null
+++ b/test/mjsunit/regress/regress-71647.js
@@ -0,0 +1,34 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+var qe = 'object';
+
+function g() {
+  for (var i = 0; i < 10000; i++) typeof i === qe;
+}
+
+g();
diff --git a/test/mjsunit/regress/regress-900966.js b/test/mjsunit/regress/regress-900966.js
index acffe75..99603c1 100644
--- a/test/mjsunit/regress/regress-900966.js
+++ b/test/mjsunit/regress/regress-900966.js
@@ -37,6 +37,8 @@
 }
 f();
 f();
+f();
+f();
 
 assertTrue(2[11] === undefined);
 Number.prototype[11] = 'y';
diff --git a/test/mjsunit/regress/regress-992.js b/test/mjsunit/regress/regress-992.js
new file mode 100644
index 0000000..dbe25a5
--- /dev/null
+++ b/test/mjsunit/regress/regress-992.js
@@ -0,0 +1,43 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Object.defineProperty with generic desc on existing property
+// should just update enumerable/configurable flags.
+
+var obj =  { get p() { return 42; }  };
+var desc = Object.getOwnPropertyDescriptor(obj, 'p');
+var getter = desc.get;
+
+Object.defineProperty(obj, 'p', {enumerable: false });
+assertEquals(obj.p, 42);
+desc = Object.getOwnPropertyDescriptor(obj, 'p');
+assertFalse(desc.enumerable);
+assertTrue(desc.configurable);
+assertEquals(desc.get, getter);
+assertEquals(desc.set, undefined);
+assertFalse(desc.hasOwnProperty('value'));
+assertFalse(desc.hasOwnProperty('writable'));
diff --git a/test/mjsunit/regress/regress-deopt-gc.js b/test/mjsunit/regress/regress-deopt-gc.js
new file mode 100644
index 0000000..7b7c29a
--- /dev/null
+++ b/test/mjsunit/regress/regress-deopt-gc.js
@@ -0,0 +1,49 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --allow-natives-syntax --expose-gc
+
+// This tests that we can correctly handle a GC immediately after a function
+// has been deoptimized, even when we have an activation of this function on
+// the stack.
+
+// Ensure that there is code objects before the code for the opt_me function.
+(function() { var a = 10; a++; })();
+
+function opt_me() {
+  deopt();
+}
+
+function deopt() {
+  // Make sure we don't inline this function
+  try { var a = 42; } catch(o) {};
+  %DeoptimizeFunction(opt_me);
+  gc(true);
+}
+
+
+opt_me();
diff --git a/test/mjsunit/strict-mode-eval.js b/test/mjsunit/strict-mode-eval.js
new file mode 100644
index 0000000..018ed9e
--- /dev/null
+++ b/test/mjsunit/strict-mode-eval.js
@@ -0,0 +1,82 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"use strict";
+
+var code1 = "function f(eval) {}";
+var code2 = "function f(a, a) {}";
+var code3 = "var x = '\\020;'";
+var code4 = "function arguments() {}";
+
+// Verify the code compiles just fine in non-strict mode
+// (using aliased eval to force non-strict mode)
+var eval_alias = eval;
+
+eval_alias(code1);
+eval_alias(code2);
+eval_alias(code3);
+eval_alias(code4);
+
+function strict1() {
+  try {
+    eval(code1);
+    assertUnreachable("did not throw exception");
+  } catch (e) {
+    assertInstanceof(e, SyntaxError);
+  }
+
+  function strict2() {
+    try {
+      eval(code2);
+      assertUnreachable("did not throw exception");
+    } catch (e) {
+      assertInstanceof(e, SyntaxError);
+    }
+
+    function strict3() {
+      try {
+        eval(code3);
+        assertUnreachable("did not throw exception");
+      } catch (e) {
+        assertInstanceof(e, SyntaxError);
+      }
+
+      function strict4() {
+        try {
+          eval(code4);
+          assertUnreachable("did not throw exception");
+        } catch (e) {
+          assertInstanceof(e, SyntaxError);
+        }
+      }
+      strict4();
+    }
+    strict3();
+  }
+  strict2();
+}
+strict1();
diff --git a/test/mjsunit/strict-mode.js b/test/mjsunit/strict-mode.js
new file mode 100644
index 0000000..6b775fc
--- /dev/null
+++ b/test/mjsunit/strict-mode.js
@@ -0,0 +1,376 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+function CheckStrictMode(code, exception) {
+  assertDoesNotThrow(code);
+  assertThrows("'use strict';\n" + code, exception);
+  assertThrows('"use strict";\n' + code, exception);
+  assertDoesNotThrow("\
+    function outer() {\
+      function inner() {\n"
+        + code +
+      "\n}\
+    }");
+  assertThrows("\
+    function outer() {\
+      'use strict';\
+      function inner() {\n"
+        + code +
+      "\n}\
+    }", exception);
+}
+
+function CheckFunctionConstructorStrictMode() {
+  var args = [];
+  for (var i = 0; i < arguments.length; i ++) {
+    args[i] = arguments[i];
+  }
+  // Create non-strict function. No exception.
+  args[arguments.length] = "";
+  assertDoesNotThrow(function() {
+    Function.apply(this, args);
+  });
+  // Create strict mode function. Exception expected.
+  args[arguments.length] = "'use strict';";
+  assertThrows(function() {
+    Function.apply(this, args);
+  }, SyntaxError);
+}
+
+// Incorrect 'use strict' directive.
+(function UseStrictEscape() {
+  "use\\x20strict";
+  with ({}) {};
+})();
+
+// 'use strict' in non-directive position.
+(function UseStrictNonDirective() {
+  void(0);
+  "use strict";
+  with ({}) {};
+})();
+
+// Multiple directives, including "use strict".
+assertThrows('\
+"directive 1";\
+"another directive";\
+"use strict";\
+"directive after strict";\
+"and one more";\
+with({}) {}', SyntaxError);
+
+// 'with' disallowed in strict mode.
+CheckStrictMode("with({}) {}", SyntaxError);
+
+// Function named 'eval'.
+CheckStrictMode("function eval() {}", SyntaxError);
+
+// Function named 'arguments'.
+CheckStrictMode("function arguments() {}", SyntaxError);
+
+// Function parameter named 'eval'.
+CheckStrictMode("function foo(a, b, eval, c, d) {}", SyntaxError);
+
+// Function parameter named 'arguments'.
+CheckStrictMode("function foo(a, b, arguments, c, d) {}", SyntaxError);
+
+// Property accessor parameter named 'eval'.
+CheckStrictMode("var o = { set foo(eval) {} }", SyntaxError);
+
+// Property accessor parameter named 'arguments'.
+CheckStrictMode("var o = { set foo(arguments) {} }", SyntaxError);
+
+// Duplicate function parameter name.
+CheckStrictMode("function foo(a, b, c, d, b) {}", SyntaxError);
+
+// Function constructor: eval parameter name.
+CheckFunctionConstructorStrictMode("eval");
+
+// Function constructor: arguments parameter name.
+CheckFunctionConstructorStrictMode("arguments");
+
+// Function constructor: duplicate parameter name.
+CheckFunctionConstructorStrictMode("a", "b", "c", "b");
+CheckFunctionConstructorStrictMode("a,b,c,b");
+
+// catch(eval)
+CheckStrictMode("try{}catch(eval){};", SyntaxError);
+
+// catch(arguments)
+CheckStrictMode("try{}catch(arguments){};", SyntaxError);
+
+// var eval
+CheckStrictMode("var eval;", SyntaxError);
+
+// var arguments
+CheckStrictMode("var arguments;", SyntaxError);
+
+// Strict mode applies to the function in which the directive is used..
+assertThrows('\
+function foo(eval) {\
+  "use strict";\
+}', SyntaxError);
+
+// Strict mode doesn't affect the outer stop of strict code.
+(function NotStrict(eval) {
+  function Strict() {
+    "use strict";
+  }
+  with ({}) {};
+})();
+
+// Octal literal
+CheckStrictMode("var x = 012");
+CheckStrictMode("012");
+CheckStrictMode("'Hello octal\\032'");
+CheckStrictMode("function octal() { return 012; }");
+CheckStrictMode("function octal() { return '\\032'; }");
+
+(function ValidEscape() {
+  "use strict";
+  var x = '\0';
+  var y = "\0";
+})();
+
+// Octal before "use strict"
+assertThrows('\
+  function strict() {\
+    "octal\\032directive";\
+    "use strict";\
+  }', SyntaxError);
+
+// Duplicate data properties.
+CheckStrictMode("var x = { dupe : 1, nondupe: 3, dupe : 2 };", SyntaxError);
+CheckStrictMode("var x = { '1234' : 1, '2345' : 2, '1234' : 3 };", SyntaxError);
+CheckStrictMode("var x = { '1234' : 1, '2345' : 2, 1234 : 3 };", SyntaxError);
+CheckStrictMode("var x = { 3.14 : 1, 2.71 : 2, 3.14 : 3 };", SyntaxError);
+CheckStrictMode("var x = { 3.14 : 1, '3.14' : 2 };", SyntaxError);
+CheckStrictMode("var x = { 123: 1, 123.00000000000000000000000000000000000000000000000000000000000000000001 : 2 }", SyntaxError);
+
+// Non-conflicting data properties.
+(function StrictModeNonDuplicate() {
+  "use strict";
+  var x = { 123 : 1, "0123" : 2 };
+  var x = { 123: 1, '123.00000000000000000000000000000000000000000000000000000000000000000001' : 2 }
+})();
+
+// Two getters (non-strict)
+assertThrows("var x = { get foo() { }, get foo() { } };", SyntaxError);
+assertThrows("var x = { get foo(){}, get 'foo'(){}};", SyntaxError);
+assertThrows("var x = { get 12(){}, get '12'(){}};", SyntaxError);
+
+// Two setters (non-strict)
+assertThrows("var x = { set foo(v) { }, set foo(v) { } };", SyntaxError);
+assertThrows("var x = { set foo(v) { }, set 'foo'(v) { } };", SyntaxError);
+assertThrows("var x = { set 13(v) { }, set '13'(v) { } };", SyntaxError);
+
+// Setter and data (non-strict)
+assertThrows("var x = { foo: 'data', set foo(v) { } };", SyntaxError);
+assertThrows("var x = { set foo(v) { }, foo: 'data' };", SyntaxError);
+assertThrows("var x = { foo: 'data', set 'foo'(v) { } };", SyntaxError);
+assertThrows("var x = { set foo(v) { }, 'foo': 'data' };", SyntaxError);
+assertThrows("var x = { 'foo': 'data', set foo(v) { } };", SyntaxError);
+assertThrows("var x = { set 'foo'(v) { }, foo: 'data' };", SyntaxError);
+assertThrows("var x = { 'foo': 'data', set 'foo'(v) { } };", SyntaxError);
+assertThrows("var x = { set 'foo'(v) { }, 'foo': 'data' };", SyntaxError);
+assertThrows("var x = { 12: 1, set '12'(v){}};", SyntaxError);
+assertThrows("var x = { 12: 1, set 12(v){}};", SyntaxError);
+assertThrows("var x = { '12': 1, set '12'(v){}};", SyntaxError);
+assertThrows("var x = { '12': 1, set 12(v){}};", SyntaxError);
+
+// Getter and data (non-strict)
+assertThrows("var x = { foo: 'data', get foo() { } };", SyntaxError);
+assertThrows("var x = { get foo() { }, foo: 'data' };", SyntaxError);
+assertThrows("var x = { 'foo': 'data', get foo() { } };", SyntaxError);
+assertThrows("var x = { get 'foo'() { }, 'foo': 'data' };", SyntaxError);
+assertThrows("var x = { '12': 1, get '12'(){}};", SyntaxError);
+assertThrows("var x = { '12': 1, get 12(){}};", SyntaxError);
+
+// Assignment to eval or arguments
+CheckStrictMode("function strict() { eval = undefined; }", SyntaxError);
+CheckStrictMode("function strict() { arguments = undefined; }", SyntaxError);
+CheckStrictMode("function strict() { print(eval = undefined); }", SyntaxError);
+CheckStrictMode("function strict() { print(arguments = undefined); }", SyntaxError);
+CheckStrictMode("function strict() { var x = eval = undefined; }", SyntaxError);
+CheckStrictMode("function strict() { var x = arguments = undefined; }", SyntaxError);
+
+// Compound assignment to eval or arguments
+CheckStrictMode("function strict() { eval *= undefined; }", SyntaxError);
+CheckStrictMode("function strict() { arguments /= undefined; }", SyntaxError);
+CheckStrictMode("function strict() { print(eval %= undefined); }", SyntaxError);
+CheckStrictMode("function strict() { print(arguments %= undefined); }", SyntaxError);
+CheckStrictMode("function strict() { var x = eval += undefined; }", SyntaxError);
+CheckStrictMode("function strict() { var x = arguments -= undefined; }", SyntaxError);
+CheckStrictMode("function strict() { eval <<= undefined; }", SyntaxError);
+CheckStrictMode("function strict() { arguments >>= undefined; }", SyntaxError);
+CheckStrictMode("function strict() { print(eval >>>= undefined); }", SyntaxError);
+CheckStrictMode("function strict() { print(arguments &= undefined); }", SyntaxError);
+CheckStrictMode("function strict() { var x = eval ^= undefined; }", SyntaxError);
+CheckStrictMode("function strict() { var x = arguments |= undefined; }", SyntaxError);
+
+// Postfix increment with eval or arguments
+CheckStrictMode("function strict() { eval++; }", SyntaxError);
+CheckStrictMode("function strict() { arguments++; }", SyntaxError);
+CheckStrictMode("function strict() { print(eval++); }", SyntaxError);
+CheckStrictMode("function strict() { print(arguments++); }", SyntaxError);
+CheckStrictMode("function strict() { var x = eval++; }", SyntaxError);
+CheckStrictMode("function strict() { var x = arguments++; }", SyntaxError);
+
+// Postfix decrement with eval or arguments
+CheckStrictMode("function strict() { eval--; }", SyntaxError);
+CheckStrictMode("function strict() { arguments--; }", SyntaxError);
+CheckStrictMode("function strict() { print(eval--); }", SyntaxError);
+CheckStrictMode("function strict() { print(arguments--); }", SyntaxError);
+CheckStrictMode("function strict() { var x = eval--; }", SyntaxError);
+CheckStrictMode("function strict() { var x = arguments--; }", SyntaxError);
+
+// Prefix increment with eval or arguments
+CheckStrictMode("function strict() { ++eval; }", SyntaxError);
+CheckStrictMode("function strict() { ++arguments; }", SyntaxError);
+CheckStrictMode("function strict() { print(++eval); }", SyntaxError);
+CheckStrictMode("function strict() { print(++arguments); }", SyntaxError);
+CheckStrictMode("function strict() { var x = ++eval; }", SyntaxError);
+CheckStrictMode("function strict() { var x = ++arguments; }", SyntaxError);
+
+// Prefix decrement with eval or arguments
+CheckStrictMode("function strict() { --eval; }", SyntaxError);
+CheckStrictMode("function strict() { --arguments; }", SyntaxError);
+CheckStrictMode("function strict() { print(--eval); }", SyntaxError);
+CheckStrictMode("function strict() { print(--arguments); }", SyntaxError);
+CheckStrictMode("function strict() { var x = --eval; }", SyntaxError);
+CheckStrictMode("function strict() { var x = --arguments; }", SyntaxError);
+
+// Prefix unary operators other than delete, ++, -- are valid in strict mode
+(function StrictModeUnaryOperators() {
+  "use strict";
+  var x = [void eval, typeof eval, +eval, -eval, ~eval, !eval];
+  var y = [void arguments, typeof arguments,
+           +arguments, -arguments, ~arguments, !arguments];
+})();
+
+// 7.6.1.2 Future Reserved Words
+var future_reserved_words = [
+  "class",
+  "enum",
+  "export",
+  "extends",
+  "import",
+  "super",
+  "implements",
+  "interface",
+  "let",
+  "package",
+  "private",
+  "protected",
+  "public",
+  "static",
+  "yield" ];
+
+function testFutureReservedWord(word) {
+  // Simple use of each reserved word
+  CheckStrictMode("var " + word + " = 1;", SyntaxError);
+
+  // object literal properties
+  eval("var x = { " + word + " : 42 };");
+  eval("var x = { get " + word + " () {} };");
+  eval("var x = { set " + word + " (value) {} };");
+
+  // object literal with string literal property names
+  eval("var x = { '" + word + "' : 42 };");
+  eval("var x = { get '" + word + "' () { } };");
+  eval("var x = { set '" + word + "' (value) { } };");
+  eval("var x = { get '" + word + "' () { 'use strict'; } };");
+  eval("var x = { set '" + word + "' (value) { 'use strict'; } };");
+
+  // Function names and arguments, strict and non-strict contexts
+  CheckStrictMode("function " + word + " () {}", SyntaxError);
+  CheckStrictMode("function foo (" + word + ") {}", SyntaxError);
+  CheckStrictMode("function foo (" + word + ", " + word + ") {}", SyntaxError);
+  CheckStrictMode("function foo (a, " + word + ") {}", SyntaxError);
+  CheckStrictMode("function foo (" + word + ", a) {}", SyntaxError);
+  CheckStrictMode("function foo (a, " + word + ", b) {}", SyntaxError);
+  CheckStrictMode("var foo = function (" + word + ") {}", SyntaxError);
+
+  // Function names and arguments when the body is strict
+  assertThrows("function " + word + " () { 'use strict'; }", SyntaxError);
+  assertThrows("function foo (" + word + ")  'use strict'; {}", SyntaxError);
+  assertThrows("function foo (" + word + ", " + word + ") { 'use strict'; }", SyntaxError);
+  assertThrows("function foo (a, " + word + ") { 'use strict'; }", SyntaxError);
+  assertThrows("function foo (" + word + ", a) { 'use strict'; }", SyntaxError);
+  assertThrows("function foo (a, " + word + ", b) { 'use strict'; }", SyntaxError);
+  assertThrows("var foo = function (" + word + ") { 'use strict'; }", SyntaxError);
+
+  // get/set when the body is strict
+  eval("var x = { get " + word + " () { 'use strict'; } };");
+  eval("var x = { set " + word + " (value) { 'use strict'; } };");
+  assertThrows("var x = { get foo(" + word + ") { 'use strict'; } };", SyntaxError);
+  assertThrows("var x = { set foo(" + word + ") { 'use strict'; } };", SyntaxError);
+}
+
+for (var i = 0; i < future_reserved_words.length; i++) {
+  testFutureReservedWord(future_reserved_words[i]);
+}
+
+function testAssignToUndefined(should_throw) {
+  "use strict";
+  try {
+    possibly_undefined_variable_for_strict_mode_test = "should throw?";
+  } catch (e) {
+    assertTrue(should_throw, "strict mode");
+    assertInstanceof(e, ReferenceError, "strict mode");
+    return;
+  }
+  assertFalse(should_throw, "strict mode");
+}
+
+testAssignToUndefined(true);
+testAssignToUndefined(true);
+testAssignToUndefined(true);
+
+possibly_undefined_variable_for_strict_mode_test = "value";
+
+testAssignToUndefined(false);
+testAssignToUndefined(false);
+testAssignToUndefined(false);
+
+delete possibly_undefined_variable_for_strict_mode_test;
+
+testAssignToUndefined(true);
+testAssignToUndefined(true);
+testAssignToUndefined(true);
+
+function repeat(n, f) {
+ for (var i = 0; i < n; i ++) { f(); }
+}
+
+repeat(10, function() { testAssignToUndefined(true); });
+possibly_undefined_variable_for_strict_mode_test = "value";
+repeat(10, function() { testAssignToUndefined(false); });
+delete possibly_undefined_variable_for_strict_mode_test;
+repeat(10, function() { testAssignToUndefined(true); });
+possibly_undefined_variable_for_strict_mode_test = undefined;
+repeat(10, function() { testAssignToUndefined(false); });
diff --git a/test/mjsunit/string-charcodeat.js b/test/mjsunit/string-charcodeat.js
index 831f688..f18d0a5 100644
--- a/test/mjsunit/string-charcodeat.js
+++ b/test/mjsunit/string-charcodeat.js
@@ -153,6 +153,17 @@
 TestStringType(Flat16, true);
 TestStringType(NotAString16, true);
 
+
+function ConsNotSmiIndex() {
+  var str = Cons();
+  assertTrue(isNaN(str.charCodeAt(0x7fffffff)));
+}
+
+for (var i = 0; i < 100000; i++) {
+  ConsNotSmiIndex();
+}
+
+
 for (var i = 0; i != 10; i++) {
   assertEquals(101, Cons16().charCodeAt(1.1));
   assertEquals('e', Cons16().charAt(1.1));
@@ -194,3 +205,23 @@
 assertEquals(49, long.charCodeAt(0), 36);
 assertEquals(56, long.charCodeAt(65535), 37);
 assertTrue(isNaN(long.charCodeAt(65536)), 38);
+
+
+// Test crankshaft code when the function is set directly on the
+// string prototype object instead of the hidden prototype object.
+// See http://code.google.com/p/v8/issues/detail?id=1070
+
+String.prototype.x = String.prototype.charCodeAt;
+
+function directlyOnPrototype() {
+  assertEquals(97, "a".x(0));
+  assertEquals(98, "b".x(0));
+  assertEquals(99, "c".x(0));
+  assertEquals(97, "a".x(0));
+  assertEquals(98, "b".x(0));
+  assertEquals(99, "c".x(0));
+}
+
+for (var i = 0; i < 10000; i++) {
+  directlyOnPrototype();
+}
diff --git a/test/mjsunit/tools/codemap.js b/test/mjsunit/tools/codemap.js
index 06a91e8..81fb810 100644
--- a/test/mjsunit/tools/codemap.js
+++ b/test/mjsunit/tools/codemap.js
@@ -30,7 +30,7 @@
 
 
 function newCodeEntry(size, name) {
-  return new devtools.profiler.CodeMap.CodeEntry(size, name);
+  return new CodeMap.CodeEntry(size, name);
 };
 
 
@@ -47,7 +47,7 @@
 
 
 (function testLibrariesAndStaticCode() {
-  var codeMap = new devtools.profiler.CodeMap();
+  var codeMap = new CodeMap();
   codeMap.addLibrary(0x1500, newCodeEntry(0x3000, 'lib1'));
   codeMap.addLibrary(0x15500, newCodeEntry(0x5000, 'lib2'));
   codeMap.addLibrary(0x155500, newCodeEntry(0x10000, 'lib3'));
@@ -97,7 +97,7 @@
 
 
 (function testDynamicCode() {
-  var codeMap = new devtools.profiler.CodeMap();
+  var codeMap = new CodeMap();
   codeMap.addCode(0x1500, newCodeEntry(0x200, 'code1'));
   codeMap.addCode(0x1700, newCodeEntry(0x100, 'code2'));
   codeMap.addCode(0x1900, newCodeEntry(0x50, 'code3'));
@@ -123,7 +123,7 @@
 
 
 (function testCodeMovesAndDeletions() {
-  var codeMap = new devtools.profiler.CodeMap();
+  var codeMap = new CodeMap();
   codeMap.addCode(0x1500, newCodeEntry(0x200, 'code1'));
   codeMap.addCode(0x1700, newCodeEntry(0x100, 'code2'));
   assertEntry(codeMap, 'code1', 0x1500);
@@ -139,7 +139,7 @@
 
 
 (function testDynamicNamesDuplicates() {
-  var codeMap = new devtools.profiler.CodeMap();
+  var codeMap = new CodeMap();
   // Code entries with same names but different addresses.
   codeMap.addCode(0x1500, newCodeEntry(0x200, 'code'));
   codeMap.addCode(0x1700, newCodeEntry(0x100, 'code'));
@@ -152,7 +152,7 @@
 
 
 (function testStaticEntriesExport() {
-  var codeMap = new devtools.profiler.CodeMap();
+  var codeMap = new CodeMap();
   codeMap.addStaticCode(0x1500, newCodeEntry(0x3000, 'lib1'));
   codeMap.addStaticCode(0x15500, newCodeEntry(0x5000, 'lib2'));
   codeMap.addStaticCode(0x155500, newCodeEntry(0x10000, 'lib3'));
@@ -163,7 +163,7 @@
 
 
 (function testDynamicEntriesExport() {
-  var codeMap = new devtools.profiler.CodeMap();
+  var codeMap = new CodeMap();
   codeMap.addCode(0x1500, newCodeEntry(0x200, 'code1'));
   codeMap.addCode(0x1700, newCodeEntry(0x100, 'code2'));
   codeMap.addCode(0x1900, newCodeEntry(0x50, 'code3'));
diff --git a/test/mjsunit/tools/csvparser.js b/test/mjsunit/tools/csvparser.js
index 6ac4908..f1449f6 100644
--- a/test/mjsunit/tools/csvparser.js
+++ b/test/mjsunit/tools/csvparser.js
@@ -28,7 +28,7 @@
 // Load CSV parser implementation from <project root>/tools.
 // Files: tools/csvparser.js
 
-var parser = new devtools.profiler.CsvParser();
+var parser = new CsvParser();
 
 assertEquals(
     [],
diff --git a/test/mjsunit/tools/profile.js b/test/mjsunit/tools/profile.js
index 9ed851b..4df1a08 100644
--- a/test/mjsunit/tools/profile.js
+++ b/test/mjsunit/tools/profile.js
@@ -58,7 +58,7 @@
 
 
 function ProfileTestDriver() {
-  this.profile = new devtools.profiler.Profile();
+  this.profile = new Profile();
   this.stack_ = [];
   this.addFunctions_();
 };
diff --git a/test/mjsunit/tools/profile_view.js b/test/mjsunit/tools/profile_view.js
index 3ed1128..7f60119 100644
--- a/test/mjsunit/tools/profile_view.js
+++ b/test/mjsunit/tools/profile_view.js
@@ -30,7 +30,7 @@
 
 
 function createNode(name, time, opt_parent) {
-  var node = new devtools.profiler.ProfileView.Node(name, time, time, null);
+  var node = new ProfileView.Node(name, time, time, null);
   if (opt_parent) {
     opt_parent.addChild(node);
   }
@@ -61,7 +61,7 @@
    createNode('d', 4, b3);
    createNode('d', 2, b3);
 
-   var view = new devtools.profiler.ProfileView(root);
+   var view = new ProfileView(root);
    var flatTree = [];
 
    function fillFlatTree(node) {
diff --git a/test/mjsunit/tools/splaytree.js b/test/mjsunit/tools/splaytree.js
index 3beba0b..5e18796 100644
--- a/test/mjsunit/tools/splaytree.js
+++ b/test/mjsunit/tools/splaytree.js
@@ -30,7 +30,7 @@
 
 
 (function testIsEmpty() {
-  var tree = new goog.structs.SplayTree();
+  var tree = new SplayTree();
   assertTrue(tree.isEmpty());
   tree.insert(0, 'value');
   assertFalse(tree.isEmpty());
@@ -38,7 +38,7 @@
 
 
 (function testExportValues() {
-  var tree = new goog.structs.SplayTree();
+  var tree = new SplayTree();
   assertArrayEquals([], tree.exportValues());
   tree.insert(0, 'value');
   assertArrayEquals(['value'], tree.exportValues());
@@ -79,7 +79,7 @@
 
 
 (function testSplay() {
-  var tree = new goog.structs.SplayTree();
+  var tree = new SplayTree();
   tree.root_ = createSampleTree();
   assertArrayEquals(['50', '30', '60', '10', '40', '90', '20', '70', '100', '15', '80'],
                     tree.exportValues());
@@ -93,7 +93,7 @@
 
 
 (function testInsert() {
-  var tree = new goog.structs.SplayTree();
+  var tree = new SplayTree();
   tree.insert(5, 'root');
   tree.insert(3, 'left');
   assertArrayEquals(['left', 'root'], tree.exportValues());
@@ -103,7 +103,7 @@
 
 
 (function testFind() {
-  var tree = new goog.structs.SplayTree();
+  var tree = new SplayTree();
   tree.insert(5, 'root');
   tree.insert(3, 'left');
   tree.insert(7, 'right');
@@ -117,7 +117,7 @@
 
 
 (function testFindMin() {
-  var tree = new goog.structs.SplayTree();
+  var tree = new SplayTree();
   assertEquals(null, tree.findMin());
   tree.insert(5, 'root');
   tree.insert(3, 'left');
@@ -127,7 +127,7 @@
 
 
 (function testFindMax() {
-  var tree = new goog.structs.SplayTree();
+  var tree = new SplayTree();
   assertEquals(null, tree.findMax());
   tree.insert(5, 'root');
   tree.insert(3, 'left');
@@ -137,7 +137,7 @@
 
 
 (function testFindGreatestLessThan() {
-  var tree = new goog.structs.SplayTree();
+  var tree = new SplayTree();
   assertEquals(null, tree.findGreatestLessThan(10));
   tree.insert(5, 'root');
   tree.insert(3, 'left');
@@ -151,7 +151,7 @@
 
 
 (function testRemove() {
-  var tree = new goog.structs.SplayTree();
+  var tree = new SplayTree();
   assertThrows('tree.remove(5)');
   tree.insert(5, 'root');
   tree.insert(3, 'left');