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1 files changed, 66 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-343609.js b/deps/v8/test/mjsunit/regress/regress-343609.js
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+++ b/deps/v8/test/mjsunit/regress/regress-343609.js
@@ -0,0 +1,66 @@
+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax --block-concurrent-recompilation
+// Flags: --no-concurrent-osr --expose-gc
+
+function Ctor() {
+ this.a = 1;
+}
+
+function get_closure() {
+ return function add_field(obj) {
+ obj.c = 3;
+ obj.a = obj.a + obj.c;
+ return obj.a;
+ }
+}
+function get_closure2() {
+ return function cc(obj) {
+ obj.c = 3;
+ obj.a = obj.a + obj.c;
+ }
+}
+
+function dummy() {
+ (function () {
+ var o = {c: 10};
+ var f1 = get_closure2();
+ f1(o);
+ f1(o);
+ %OptimizeFunctionOnNextCall(f1);
+ f1(o);
+ })();
+}
+
+var o = new Ctor();
+function opt() {
+ (function () {
+ var f1 = get_closure();
+ f1(new Ctor());
+ f1(new Ctor());
+ %OptimizeFunctionOnNextCall(f1);
+ f1(o);
+ })();
+}
+
+// Optimize add_field and install its code in optimized code cache.
+opt();
+opt();
+opt();
+
+// Optimize dummy function to remove the add_field from head of optimized
+// function list in the context.
+dummy();
+dummy();
+
+// Kill add_field in new space GC.
+for(var i = 0; i < 3; i++) gc(true);
+
+// Trigger deopt.
+o.c = 2.2;
+
+// Fetch optimized code of add_field from cache and crash.
+var f2 = get_closure();
+f2(new Ctor());