// This file was procedurally generated from the following sources: // - src/dstr-binding/ary-ptrn-rest-ary-elision.case // - src/dstr-binding/default/try.template /*--- description: Rest element containing an elision (try statement) esid: sec-runtime-semantics-catchclauseevaluation features: [generators, destructuring-binding] flags: [generated] info: | Catch : catch ( CatchParameter ) Block [...] 5. Let status be the result of performing BindingInitialization for CatchParameter passing thrownValue and catchEnv as arguments. [...] 13.3.3.6 Runtime Semantics: IteratorBindingInitialization BindingRestElement : ... BindingPattern 1. Let A be ArrayCreate(0). [...] 3. Repeat [...] b. If iteratorRecord.[[done]] is true, then i. Return the result of performing BindingInitialization of BindingPattern with A and environment as the arguments. [...] 13.3.3.6 Runtime Semantics: IteratorBindingInitialization ArrayBindingPattern : [ Elision ] 1. Return the result of performing IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord as the argument. 12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation Elision : , 1. If iteratorRecord.[[done]] is false, then a. Let next be IteratorStep(iteratorRecord.[[iterator]]). b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. c. ReturnIfAbrupt(next). d. If next is false, set iteratorRecord.[[done]] to true. 2. Return NormalCompletion(empty). ---*/ var first = 0; var second = 0; function* g() { first += 1; yield; second += 1; }; var ranCatch = false; try { throw g(); } catch ([...[,]]) { assert.sameValue(first, 1); assert.sameValue(second, 1); ranCatch = true; } assert(ranCatch, 'executed `catch` block'); reportCompare(0, 0);