| // 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 |
| |
| function foo(x) { |
| var k = "value"; |
| return x[k] = 1; |
| } |
| var obj = {}; |
| Object.defineProperty(obj, "value", {set: function(x) { throw "nope"; }}); |
| try { foo(obj); } catch(e) {} |
| try { foo(obj); } catch(e) {} |
| %OptimizeFunctionOnNextCall(foo); |
| try { foo(obj); } catch(e) {} |
| |
| function bar(x) { |
| var k = "value"; |
| return (x[k] = 1) ? "ok" : "nope"; |
| } |
| var obj2 = {}; |
| Object.defineProperty(obj2, "value", |
| {set: function(x) { throw "nope"; return true; } }); |
| |
| try { bar(obj2); } catch(e) {} |
| try { bar(obj2); } catch(e) {} |
| %OptimizeFunctionOnNextCall(bar); |
| try { bar(obj2); } catch(e) {} |