// This file was procedurally generated from the following sources: // - src/dstr-binding/ary-ptrn-elem-id-init-undef.case // - src/dstr-binding/default/const-stmt.template /*--- description: Destructuring initializer with an undefined value (`const` statement) esid: sec-let-and-const-declarations-runtime-semantics-evaluation features: [destructuring-binding] flags: [generated] info: | LexicalBinding : BindingPattern Initializer 1. Let rhs be the result of evaluating Initializer. 2. Let value be GetValue(rhs). 3. ReturnIfAbrupt(value). 4. Let env be the running execution context's LexicalEnvironment. 5. Return the result of performing BindingInitialization for BindingPattern using value and env as the arguments. 13.3.3.6 Runtime Semantics: IteratorBindingInitialization SingleNameBinding : BindingIdentifier Initializeropt [...] 6. If Initializer is present and v is undefined, then a. Let defaultValue be the result of evaluating Initializer. b. Let v be GetValue(defaultValue). [...] 7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v). ---*/ const [x = 23] = [undefined]; assert.sameValue(x, 23); reportCompare(0, 0);