var-ary-ptrn-rest-id-elision-next-err.js (1854B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/ary-ptrn-rest-id-elision-next-err.case 3 // - src/dstr-binding/error/for-var.template 4 /*--- 5 description: Rest element following elision elements (for statement) 6 esid: sec-for-statement-runtime-semantics-labelledevaluation 7 features: [generators, destructuring-binding] 8 flags: [generated] 9 info: | 10 IterationStatement : 11 for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement 12 13 1. Let varDcl be the result of evaluating VariableDeclarationList. 14 [...] 15 16 13.3.2.4 Runtime Semantics: Evaluation 17 18 VariableDeclarationList : VariableDeclarationList , VariableDeclaration 19 20 1. Let next be the result of evaluating VariableDeclarationList. 21 2. ReturnIfAbrupt(next). 22 3. Return the result of evaluating VariableDeclaration. 23 24 VariableDeclaration : BindingPattern Initializer 25 26 1. Let rhs be the result of evaluating Initializer. 27 2. Let rval be GetValue(rhs). 28 3. ReturnIfAbrupt(rval). 29 4. Return the result of performing BindingInitialization for BindingPattern 30 passing rval and undefined as arguments. 31 32 13.3.3.6 Runtime Semantics: IteratorBindingInitialization 33 ArrayBindingPattern : [ Elisionopt BindingRestElement ] 34 1. If Elision is present, then 35 a. Let status be the result of performing 36 IteratorDestructuringAssignmentEvaluation of Elision with 37 iteratorRecord as the argument. 38 b. ReturnIfAbrupt(status). 39 2. Return the result of performing IteratorBindingInitialization for 40 BindingRestElement with iteratorRecord and environment as arguments. 41 42 ---*/ 43 var iter = (function*() { throw new Test262Error(); })(); 44 45 assert.throws(Test262Error, function() { 46 for (var [, ...x] = iter; iterCount < 1; ) { 47 return; 48 } 49 }); 50 51 reportCompare(0, 0);