1 files changed, 54 insertions, 0 deletions
diff --git a/deps/v8/test/webkit/dfg-cfg-simplify-redundant-dead-get-local.js b/deps/v8/test/webkit/dfg-cfg-simplify-redundant-dead-get-local.js
new file mode 100644
index 0000000000..085af05577
--- /dev/null
+++ b/deps/v8/test/webkit/dfg-cfg-simplify-redundant-dead-get-local.js
@@ -0,0 +1,54 @@
+// 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 if the CFG simplifier gracefully handles the case where Block #1 and #2 are merged, #1 has a dead GetLocal, and #2 has a live GetLocal on the same local."
+);
+
+var array = [];
+
+var getDist = function () {
+    // a conditional absolutely MUST be here for the whole thing to break.
+    // the return value is irrelevant
+
+    if (false) return "I'm irrelevant!";
+
+    return Math.sqrt(5);
+}
+
+
+var calcError = function(){
+    var dist = 0; // initialisation is necessary for the bug to occur
+
+    true && (dist = getDist());
+
+    array.push(dist);
+}
+
+
+for(var a=0; a<1000; a++){ // the loop needs to be outside calcError, otherwise no bug...
+    calcError();
+}
+
+for (var i = 0; i < array.length; ++i)
+    shouldBe("array[i]", "2.23606797749979");