// 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 = {}; let firstEntryCallCount = 0; let lastEntryCallCount = 0; const input = [ Object.defineProperty([, 1], "0", { get() { // Verify handling of a non-Smi array length input.length = 2 ** 32 - 2; firstEntryCallCount++; return k1; } }), [k2, 2], Object.defineProperty([k3, ], "1", { get() { input.length = 1; lastEntryCallCount++; return 3; } }) ]; const col = new ctor(input); assertEquals(1, firstEntryCallCount,); assertEquals(1, lastEntryCallCount); if ('size' in col) assertEquals(3, col.size); assertEquals(1, col.get(k1)); assertEquals(2, col.get(k2)); assertEquals(3, col.get(k3)); } TestMapConstructorEntrySideEffect(Map); TestMapConstructorEntrySideEffect(Map); TestMapConstructorEntrySideEffect(Map); %OptimizeFunctionOnNextCall(TestMapConstructorEntrySideEffect); TestMapConstructorEntrySideEffect(Map); assertOptimized(TestMapConstructorEntrySideEffect); TestMapConstructorEntrySideEffect(WeakMap); TestMapConstructorEntrySideEffect(WeakMap); TestMapConstructorEntrySideEffect(WeakMap); %OptimizeFunctionOnNextCall(TestMapConstructorEntrySideEffect); TestMapConstructorEntrySideEffect(WeakMap); assertOptimized(TestMapConstructorEntrySideEffect);