38 lines
762 B
JavaScript
38 lines
762 B
JavaScript
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// Copyright 2019 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 --opt --no-always-opt
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function f(x) {
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%TurbofanStaticAssert(x.foo === 42);
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return %IsBeingInterpreted();
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}
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function main(b, ret) {
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const x = new Object();
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const y = x;
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if (b) {
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return ret;
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} else {
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x.foo = 42;
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return f(y);
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}
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}
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%PrepareFunctionForOptimization(f);
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%PrepareFunctionForOptimization(main);
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f({a: 1});
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f({b: 1});
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f({c: 1});
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f({d: 1});
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assertTrue(main(true, true));
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assertTrue(main(true, true));
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assertTrue(main(false, true));
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assertTrue(main(false, true));
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%OptimizeFunctionOnNextCall(main);
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assertFalse(main(false));
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