blob: b0caa2f827478986e3737b2282168e90b8235719 [file] [log] [blame]
// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax --turbo-verify
// This test creates a FrameState node with a DeadValue parent framestate.
// Ensure that deadness is propagated along FrameState edges.
function f1() {
return this;
}
function f2(x, value, type) {
x instanceof type
}
function f3(a) {
a.x = 0;
if (a.x === 0) {
a[1] = 0.1;
}
class B {
}
class C extends B {
bar() {
return super.foo()
}
}
B.prototype.foo = f1;
f2(new C().bar.call(), Object(), String);
}
%PrepareFunctionForOptimization(f3);
f3(new Array(1));
f3(new Array(1));
%OptimizeFunctionOnNextCall(f3);
f3(new Array(1));