v8/test/mjsunit/compiler/concurrent-inlining-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
// This test ensures that we manage to serialize the global.gaga function for
// compilation and therefore are able to inline it. Since the call feedback in
// bar is megamorphic, this relies on recording the correct accumulator hint for
// the named load of obj.gaga while serializing bar (in turn while serializing
// foo).
const global = this;
global.gaga = function gaga() { return true; };
function bar(obj) { return obj.gaga(); };
function foo() { return %TurbofanStaticAssert(bar(global)); }
%PrepareFunctionForOptimization(foo);
%PrepareFunctionForOptimization(bar);
%PrepareFunctionForOptimization(global.gaga);
bar({gaga() {}});
foo();
%OptimizeFunctionOnNextCall(foo);
foo();