Upgrade to 3.29
Update V8 to 3.29.88.17 and update makefiles to support building on
all the relevant platforms.
Bug: 17370214
Change-Id: Ia3407c157fd8d72a93e23d8318ccaf6ecf77fa4e
diff --git a/test/webkit/dfg-multi-basic-block-structure-clobber.js b/test/webkit/dfg-multi-basic-block-structure-clobber.js
new file mode 100644
index 0000000..741a608
--- /dev/null
+++ b/test/webkit/dfg-multi-basic-block-structure-clobber.js
@@ -0,0 +1,55 @@
+// Copyright 2013 the V8 project authors. All rights reserved.
+// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// 2. 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.
+//
+// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
+
+description(
+"This tests that a structure clobber in a basic block that does not touch a live variable causes that variable's structure to be correctly clobbered."
+);
+
+var clobberedObject;
+
+function bar() {
+ if (!clobberedObject)
+ return;
+ delete clobberedObject.f;
+ clobberedObject.g = 42;
+}
+
+function foo(p, o_) {
+ var o = o_.f; // Force this block to have a SetLocal.
+ var x = o.f;
+ if (p)
+ bar();
+ return x + o.f;
+}
+
+var expected = 2;
+
+for (var i = 0; i < 200; ++i) {
+ var object = {f:1};
+ var predicate = true;
+ if (i >= 150) {
+ clobberedObject = object;
+ expected = 0/0; // "NaN"
+ }
+ shouldBe("foo(predicate, {f:object})", "" + expected);
+}