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Kmake/deps/v8/test/mjsunit/regress/regress-v8-5697.js
2026-05-26 23:36:42 -07:00

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JavaScript

// Copyright 2016 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 --turbofan --no-use-osr
//
// Why not OSR? Because it may inline the `store` function into OSR'd code
// below before it has a chance to be optimized, making
// `assertOptimized(store)` fail.
function load(o) {
return o.x;
};
for (var x = 0; x < 1000; ++x) {
%PrepareFunctionForOptimization(load);
load({x});
load({x});
%OptimizeFunctionOnNextCall(load);
try {
load();
} catch (e) {
}
}
assertOptimized(load);
function store(o) {
o.x = -1;
};
for (var x = 0; x < 1000; ++x) {
%PrepareFunctionForOptimization(store);
store({x});
store({x});
%OptimizeFunctionOnNextCall(store);
try {
store();
} catch (e) {
}
}
assertOptimized(store);