30 lines
896 B
JavaScript
30 lines
896 B
JavaScript
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// Copyright 2019 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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//
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// Flags: --allow-natives-syntax
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function check(x) { assertEquals(x, "foo"); }
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var r = Realm.createAllowCrossRealmAccess();
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var f = Realm.eval(r, `
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function f(func) {
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// The call to Function.prototype.apply is across native contexts so
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// cannot be elided. However the compiler should be able to call the
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// builtin directly rather than via the trampoline Code object. This isn't
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// easy to test, but here we at least check that it doesn't crash due to
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// calling a builtin Code object incorrectly (Function.Prototype.apply).
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return func.apply(undefined, ["foo"]);
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}
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f;`);
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%PrepareFunctionForOptimization(f);
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f(check);
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f(check);
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%OptimizeFunctionOnNextCall(f);
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f(check);
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