// Copyright 2015 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 (function() { const symbol = Symbol('symbol'); const OBJS = [ {[symbol]: 0, a: 1}, {[symbol]: 1, b: 2}, {[symbol]: 2, c: 3}, {[symbol]: 3, d: 4} ]; function foo(o) { return o[symbol]; } for (let i = 0; i < OBJS.length; ++i) { assertEquals(i, foo(OBJS[i])); assertEquals(i, foo(OBJS[i])); } %OptimizeFunctionOnNextCall(foo); for (let i = 0; i < OBJS.length; ++i) { assertEquals(i, foo(OBJS[i])); assertEquals(i, foo(OBJS[i])); } })(); (function() { const symbol = Symbol('symbol'); const OBJS = [ {[symbol]: 0, a: 1}, {[symbol]: 1, b: 2}, {[symbol]: 2, c: 3}, {[symbol]: 3, d: 4} ]; function foo(o) { o[symbol] = o; } for (let i = 0; i < OBJS.length; ++i) { foo(OBJS[i]); foo(OBJS[i]); } %OptimizeFunctionOnNextCall(foo); for (let i = 0; i < OBJS.length; ++i) { foo(OBJS[i]); foo(OBJS[i]); } for (const o of OBJS) { assertEquals(o, o[symbol]); } })();