30 lines
787 B
JavaScript
30 lines
787 B
JavaScript
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// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax
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function foo(x) {
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var k = "value";
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return x[k] = 1;
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}
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var obj = {};
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Object.defineProperty(obj, "value", {set: function(x) { throw "nope"; }});
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try { foo(obj); } catch(e) {}
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try { foo(obj); } catch(e) {}
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%OptimizeFunctionOnNextCall(foo);
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try { foo(obj); } catch(e) {}
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function bar(x) {
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var k = "value";
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return (x[k] = 1) ? "ok" : "nope";
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}
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var obj2 = {};
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Object.defineProperty(obj2, "value",
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{set: function(x) { throw "nope"; return true; } });
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try { bar(obj2); } catch(e) {}
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try { bar(obj2); } catch(e) {}
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%OptimizeFunctionOnNextCall(bar);
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try { bar(obj2); } catch(e) {}
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