46 lines
958 B
JavaScript
46 lines
958 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 --block-concurrent-recompilation
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// Flags: --no-concurrent-osr
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function Ctor() {
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this.a = 1;
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}
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function get_closure() {
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return function add_field(obj, osr) {
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obj.c = 3;
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var x = 0;
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if (osr) {
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%OptimizeFunctionOnNextCall(add_field, "osr");
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}
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for (var i = 0; i < 10; i++) {
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x = i + 1;
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}
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return x;
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}
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}
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var f1 = get_closure();
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f1(new Ctor(), false);
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f1(new Ctor(), false);
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%OptimizeFunctionOnNextCall(f1, "concurrent");
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// Kick off concurrent recompilation and OSR.
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var o = new Ctor();
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f1(o, true);
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assertOptimized(f1, "no sync");
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// Flush the optimizing compiler's queue.
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%NotifyContextDisposed();
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assertUnoptimized(f1, "no sync");
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// Trigger deopt.
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o.c = 2.2;
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var f2 = get_closure();
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f2(new Ctor(), true);
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