| // This file was procedurally generated from the following sources: |
| // - src/dstr-binding/ary-ptrn-rest-id-elision-next-err.case |
| // - src/dstr-binding/error/for-var.template |
| /*--- |
| description: Rest element following elision elements (for statement) |
| esid: sec-for-statement-runtime-semantics-labelledevaluation |
| features: [generators, destructuring-binding] |
| flags: [generated] |
| info: | |
| IterationStatement : |
| for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement |
| |
| 1. Let varDcl be the result of evaluating VariableDeclarationList. |
| [...] |
| |
| 13.3.2.4 Runtime Semantics: Evaluation |
| |
| VariableDeclarationList : VariableDeclarationList , VariableDeclaration |
| |
| 1. Let next be the result of evaluating VariableDeclarationList. |
| 2. ReturnIfAbrupt(next). |
| 3. Return the result of evaluating VariableDeclaration. |
| |
| VariableDeclaration : BindingPattern Initializer |
| |
| 1. Let rhs be the result of evaluating Initializer. |
| 2. Let rval be GetValue(rhs). |
| 3. ReturnIfAbrupt(rval). |
| 4. Return the result of performing BindingInitialization for BindingPattern |
| passing rval and undefined as arguments. |
| |
| 13.3.3.6 Runtime Semantics: IteratorBindingInitialization |
| ArrayBindingPattern : [ Elisionopt BindingRestElement ] |
| 1. If Elision is present, then |
| a. Let status be the result of performing |
| IteratorDestructuringAssignmentEvaluation of Elision with |
| iteratorRecord as the argument. |
| b. ReturnIfAbrupt(status). |
| 2. Return the result of performing IteratorBindingInitialization for |
| BindingRestElement with iteratorRecord and environment as arguments. |
| |
| ---*/ |
| var iter = (function*() { throw new Test262Error(); })(); |
| |
| assert.throws(Test262Error, function() { |
| for (var [, ...x] = iter; iterCount < 1; ) { |
| return; |
| } |
| }); |