1 // Copyright 2015 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Tests that lastIndex of a global RegExp is overwritten as per 6 // ECMA-262 6.0 21.2.5.6 step 8.c. 7 8 var global = /./g; 9 global.lastIndex = { valueOf: function() { assertUnreachable(); } }; 10 "x".match(global); 11 assertEquals(0, global.lastIndex); 12