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Kmake/deps/v8/test/mjsunit/compiler/regress-crbug-1507662.js
2026-05-26 23:36:42 -07:00

43 lines
751 B
JavaScript

// Copyright 2023 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
g = function g(expected, found) {
if (typeof a !== typeof found) return false;
objectClass
};
function f1() {
return f2.arguments[0];
}
function f2() {
return f1();
}
function f3() {
var v1 = {
x: 2
};
var v2 = f2(v1);
delete v2["x"];
try {
g(2, v1.x);
} catch (e) {}
v1.x = 3;
try {
v2.x = 42;
} catch (e) {}
return v1.x;
}
%PrepareFunctionForOptimization(f2);
%PrepareFunctionForOptimization(f3);
assertEquals(f3(), 42);
assertEquals(f3(), 42);
%OptimizeFunctionOnNextCall(f3);
assertEquals(f3(), 42);