38 lines
752 B
JavaScript
38 lines
752 B
JavaScript
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// Copyright 2017 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 --turbo-verify
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// This test creates a FrameState node with a DeadValue parent framestate.
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// Ensure that deadness is propagated along FrameState edges.
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function f1() {
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return this;
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}
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function f2(x, value, type) {
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x instanceof type
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}
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function f3(a) {
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a.x = 0;
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if (a.x === 0) {
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a[1] = 0.1;
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}
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class B {
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}
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class C extends B {
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bar() {
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return super.foo()
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}
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}
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B.prototype.foo = f1;
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f2(new C().bar.call(), Object(), String);
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}
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f3(new Array(1));
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f3(new Array(1));
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%OptimizeFunctionOnNextCall(f3);
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f3(new Array(1));
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