Index: test/mjsunit/regress/regress-392114.js |
diff --git a/test/mjsunit/regress/regress-392114.js b/test/mjsunit/regress/regress-392114.js |
new file mode 100644 |
index 0000000000000000000000000000000000000000..e5cf1cde372f13c72262855b35f4a00390d3b057 |
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+++ b/test/mjsunit/regress/regress-392114.js |
@@ -0,0 +1,66 @@ |
+// Copyright 2014 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: --expose-debug-as debug --allow-natives-syntax |
+ |
+Debug = debug.Debug; |
+ |
+function dummy(x) { |
+ return x + 100; |
+} |
+ |
+function create_closure() { |
+ var f = function(arg) { |
+ if (arg) { %DeoptimizeFunction(f); } |
+ var a = Array(10); |
+ for (var i = 0; i < a.length; i++) { |
+ a[i] = i; |
+ } |
+ } |
+ return f; |
+} |
+ |
+var c = create_closure(); |
+c(); |
+ |
+// c CallIC state now has custom Array handler installed. |
+ |
+// Turn on the debugger. |
+Debug.setListener(function () {}); |
+ |
+var d = create_closure(); |
+%OptimizeFunctionOnNextCall(d); |
+// Thanks to the debugger, we recreate the full code too. We deopt and run |
+// it, stomping on the unexpected AllocationSite in the type vector slot. |
+d(true); |
+ |
+// CallIC in c misinterprets type vector slot contents as an AllocationSite, |
+// corrupting the heap. |
+c(); |
+ |
+// CallIC MISS - crash due to corruption. |
+dummy(); |