// Copyright 2018 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 function TestMapConstructorEntrySideEffect(ctor) { const k1 = {}; const k2 = {}; const k3 = {}; const input = [ Object.defineProperty([, 1], "0", { get() { // Verify continuation accesses properly accesses subsequent entries Object.defineProperty(input, "1", { get: () => [k3, 3] }); return k1; } }), [k2, 2] ]; const col = new ctor(input); if ('size' in col) assertEquals(2, col.size); assertTrue(col.has(k1)); assertFalse(col.has(k2)); assertTrue(col.has(k3)); } %PrepareFunctionForOptimization(TestMapConstructorEntrySideEffect); %EnsureFeedbackVectorForFunction(assertTrue); %EnsureFeedbackVectorForFunction(assertFalse); %EnsureFeedbackVectorForFunction(assertEquals); TestMapConstructorEntrySideEffect(Map); TestMapConstructorEntrySideEffect(Map); TestMapConstructorEntrySideEffect(Map); %OptimizeFunctionOnNextCall(TestMapConstructorEntrySideEffect); TestMapConstructorEntrySideEffect(Map); assertOptimized(TestMapConstructorEntrySideEffect); TestMapConstructorEntrySideEffect(WeakMap); %PrepareFunctionForOptimization(TestMapConstructorEntrySideEffect); TestMapConstructorEntrySideEffect(WeakMap); TestMapConstructorEntrySideEffect(WeakMap); %OptimizeFunctionOnNextCall(TestMapConstructorEntrySideEffect); TestMapConstructorEntrySideEffect(WeakMap); assertOptimized(TestMapConstructorEntrySideEffect);