Update V8 to r6101 as required by WebKit r74534
Change-Id: I7f84af8dd732f11898fd644b2c2b1538914cb78d
diff --git a/test/mjsunit/compiler/simple-deopt.js b/test/mjsunit/compiler/simple-deopt.js
new file mode 100644
index 0000000..8befd9f
--- /dev/null
+++ b/test/mjsunit/compiler/simple-deopt.js
@@ -0,0 +1,101 @@
+// Copyright 2010 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 f(x) {
+ return ~x;
+}
+
+f(42);
+assertEquals(~12, f(12.45));
+assertEquals(~42, f(42.87));
+
+
+var a = 1, b = 2, c = 4, d = 8;
+function g() {
+ return a | (b | (c | d));
+}
+
+g();
+c = "16";
+assertEquals(1 | 2 | 16 | 8, g());
+
+
+// Test deopt when global function changes.
+function h() {
+ return g();
+}
+assertEquals(1 | 2 | 16 | 8, h());
+g = function() { return 42; };
+assertEquals(42, h());
+
+
+// Test deopt when map changes.
+var obj = {};
+obj.g = g;
+function k(o) {
+ return o.g();
+}
+for (var i = 0; i < 1000000; i++) k(obj);
+assertEquals(42, k(obj));
+assertEquals(87, k({g: function() { return 87; }}));
+
+
+// Test deopt with assignments to parameters.
+function p(x,y) {
+ x = 42;
+ y = 1;
+ y = y << "0";
+ return x | y;
+}
+assertEquals(43, p(0,0));
+
+
+// Test deopt with literals on the expression stack.
+function LiteralToStack(x) {
+ return 'lit[' + (x + ']');
+}
+
+assertEquals('lit[-87]', LiteralToStack(-87));
+assertEquals('lit[0]', LiteralToStack(0));
+assertEquals('lit[42]', LiteralToStack(42));
+
+
+// Test deopt before call.
+var str = "abc";
+var r;
+function CallCharAt(n) { return str.charAt(n); }
+for (var i = 0; i < 1000000; i++) {
+ r = CallCharAt(0);
+}
+assertEquals("a", r);
+
+
+// Test of deopt in presence of spilling.
+function add4(a,b,c,d) {
+ return a+b+c+d;
+}
+assertEquals(0x40000003, add4(1,1,2,0x3fffffff));