// Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-globaldeclarationinstantiation es6id: 15.1.8 description: Let binding collision with existing var declaration info: | [...] 5. For each name in lexNames, do a. If envRec.HasVarDeclaration(name) is true, throw a SyntaxError exception. ---*/ var test262Var; function test262Fn() {} assert.throws(SyntaxError, function() { $262.evalScript('var x; let test262Var;'); }, 'variable'); assert.throws(ReferenceError, function() { x; }, 'no bindings created (script shadowing variable)'); assert.throws(SyntaxError, function() { $262.evalScript('var x; let test262Fn;'); }, 'function'); assert.throws(ReferenceError, function() { x; }, 'no bindings created (script shadowing function)');