| // 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-evaldeclarationinstantiation |
| description: Variable collision with global lexical binding |
| info: | |
| [...] |
| 5. If strict is false, then |
| a. If varEnvRec is a global Environment Record, then |
| i. For each name in varNames, do |
| 1. If varEnvRec.HasLexicalDeclaration(name) is true, throw a |
| SyntaxError exception. |
| 2. NOTE: eval will not create a global var declaration that would |
| be shadowed by a global lexical declaration. |
| [...] |
| negative: |
| phase: runtime |
| type: SyntaxError |
| flags: [noStrict] |
| features: [let] |
| ---*/ |
| |
| let x; |
| |
| // Although the `try` statement is a more precise mechanism for detecting |
| // runtime errors, the behavior under test is only observable for a direct eval |
| // call when the call is made from the global scope. This forces the use of |
| // the more coarse-grained `negative` frontmatter to assert the expected error. |
| |
| eval('var x;'); |