// Copyright (C) 2013 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-addition-operator-plus es6id: 12.7.3 description: Symbol value cannot be converted to a String info: | [...] 7. If Type(lprim) is String or Type(rprim) is String, then a. Let lstr be ? ToString(lprim). features: [Symbol] ---*/ var s = Symbol('66'); assert.throws(TypeError, function() { s + ''; });