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270253c4e2
PR-URL: https://github.com/nodejs/node/pull/40907 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
35 lines
738 B
JavaScript
35 lines
738 B
JavaScript
// Copyright 2020 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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// This test does not work well if we flush the feedback vector, which causes
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// deoptimization.
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// Flags: --no-stress-flush-code --no-flush-bytecode
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function O() {}
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O.prototype.f = f;
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O.prototype.g = g;
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function f() {
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return g.arguments;
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}
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function g(x) {
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return this.f(2 - x, "any");
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}
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var o = new O();
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function foo(x) {
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return o.g(x, "z");
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}
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for (var i = 0; i < 35; i++) foo();
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var result = (
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%PrepareFunctionForOptimization(foo),foo(), foo(),
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%OptimizeFunctionOnNextCall(foo), foo()
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);
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assertEquals(result[1], "z");
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