| // 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-performeval |
| description: > |
| Indirect eval code creates `const` bindings prior to evaluation but does |
| not initialize them. |
| info: | |
| [...] |
| 14. For each element d in lexDeclarations do |
| a. NOTE Lexically declared names are only instantiated here but not |
| initialized. |
| b. For each element dn of the BoundNames of d do |
| i. If IsConstantDeclaration of d is true, then |
| 1. Perform ? lexEnvRec.CreateImmutableBinding(dn, true). |
| ii. Else, |
| 2. Perform ? lexEnvRec.CreateMutableBinding(dn, false). |
| [...] |
| features: [const] |
| ---*/ |
| |
| assert.throws(ReferenceError, function() { |
| (0,eval)('typeof x; const x = null;'); |
| }); |