| // Copyright (C) 2016 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| desc: Referencing a parameter that occurs earlier in the ParameterList |
| template: default |
| info: | |
| 14.1.19 Runtime Semantics: IteratorBindingInitialization |
| |
| FormalsList : FormalsList , FormalParameter |
| |
| 1. Let status be the result of performing IteratorBindingInitialization for |
| FormalsList using iteratorRecord and environment as the arguments. |
| 2. ReturnIfAbrupt(status). |
| 3. Return the result of performing IteratorBindingInitialization for |
| FormalParameter using iteratorRecord and environment as the arguments. |
| features: [default-parameters] |
| ---*/ |
| |
| //- setup |
| var x = 0; |
| //- params |
| x, y = x, z = y |
| //- args |
| 3 |
| //- body |
| assert.sameValue(x, 3, 'first argument value'); |
| assert.sameValue(y, 3, 'second argument value'); |
| assert.sameValue(z, 3, 'third argument value'); |
