diff options
Diffstat (limited to 'deps/v8/test/mjsunit/regress/regress-343609.js')
-rw-r--r-- | deps/v8/test/mjsunit/regress/regress-343609.js | 66 |
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 new file mode 100644 index 0000000000..5205ca1330 --- /dev/null +++ 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()); |