1 files changed, 63 insertions, 0 deletions
diff --git a/deps/v8/test/webkit/dfg-int32-to-double-on-set-local-and-exit.js b/deps/v8/test/webkit/dfg-int32-to-double-on-set-local-and-exit.js
new file mode 100644
index 0000000000..8686391163
--- /dev/null
+++ b/deps/v8/test/webkit/dfg-int32-to-double-on-set-local-and-exit.js
@@ -0,0 +1,63 @@
+// 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(
+"Tests that an Int32ToDouble placed on a SetLocal does a forward exit."
+);
+
+var counter = 0;
+
+function checkpoint(text) {
+    debug("Checkpoint: " + text);
+    counter++;
+}
+
+function func1() {
+    checkpoint("a");
+    a = Date.now() + Date.now() + Date.now() + Date.now() + Date.now() + Date.now();
+    checkpoint("b");
+}
+function func2() {
+    checkpoint("c");
+    return Date.now() + Date.now() + Date.now() + Date.now() + Date.now() + Date.now();
+}
+
+function func3(s) {
+    checkpoint("1");
+    s = func1(); // The bug is that this function will be called twice, if our Int32ToDouble hoisting does a backward speculation.
+    checkpoint("2");
+    s = func2();
+    checkpoint("3");
+    return s;
+}
+
+function test() {
+    return func3(1);
+}
+
+
+for (var i=0; i < 200; i++) {
+    test();
+}
+
+shouldBe("counter", "1200");