v8/test/mjsunit/compiler/regress-9137-1.js

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// Copyright 2019 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 --opt
// Flags: --no-flush-bytecode --no-stress-flush-bytecode
function changeMap(obj) {
obj.blub = 42;
}
function foo(obj) {
return obj.bind(changeMap(obj));
}
%NeverOptimizeFunction(changeMap);
%PrepareFunctionForOptimization(foo);
foo(function(){});
foo(function(){});
%OptimizeFunctionOnNextCall(foo);
foo(function(){});
%OptimizeFunctionOnNextCall(foo);
foo(function(){});
assertOptimized(foo);