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AndaristAndarist
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add test
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Lines changed: 75 additions & 5 deletions

‎tests/baselines/reference/dependentDestructuredVariablesNoCrash1.errors.txt‎

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dependentDestructuredVariablesNoCrash1.ts(3,10): error TS7010: 'f', which lacks return-type annotation, implicitly has an 'any' return type.
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dependentDestructuredVariablesNoCrash1.ts(5,12): error TS1015: Parameter cannot have question mark and initializer.
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dependentDestructuredVariablesNoCrash1.ts(5,12): error TS2461: Type '(() => any) | undefined' is not an array type.
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dependentDestructuredVariablesNoCrash1.ts(5,12): error TS2488: Type '(() => any) | undefined' must have a '[Symbol.iterator]()' method that returns an iterator.
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dependentDestructuredVariablesNoCrash1.ts(5,20): error TS7022: 'undefined' implicitly has type 'any' because it does not have a type annotation and is referenced directly or indirectly in its own initializer.
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dependentDestructuredVariablesNoCrash1.ts(5,45): error TS2373: Parameter '[first, undefined]' cannot reference identifier 'undefined' declared after it.
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~~~~~~~~~~~~~~~~~~
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!!! error TS1015: Parameter cannot have question mark and initializer.
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~~~~~~~~~~~~~~~~~~
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!!! error TS2461: Type '(() => any) | undefined' is not an array type.
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!!! error TS2488: Type '(() => any) | undefined' must have a '[Symbol.iterator]()' method that returns an iterator.
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~~~~~~~~~
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!!! error TS7022: 'undefined' implicitly has type 'any' because it does not have a type annotation and is referenced directly or indirectly in its own initializer.
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~~~~~~~~~

‎tests/baselines/reference/dependentDestructuredVariablesNoCrash1.js‎

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//// [dependentDestructuredVariablesNoCrash1.js]
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"use strict";
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// https://github.com/microsoft/TypeScript/issues/63044
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function f(_a) {
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var _b = _a === void 0 ? undefined : _a, first = _b[0], undefined = _b[1];
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}
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function f([first, undefined] = undefined) { }
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//// [dependentDestructuredVariablesNoCrash1.d.ts]

‎tests/baselines/reference/dependentDestructuredVariablesNoCrash2.errors.txt‎

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dependentDestructuredVariablesNoCrash2.ts(3,9): error TS7010: '(Missing)', which lacks return-type annotation, implicitly has an 'any' return type.
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dependentDestructuredVariablesNoCrash2.ts(3,10): error TS1003: Identifier expected.
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dependentDestructuredVariablesNoCrash2.ts(3,11): error TS2488: Type 'string | undefined' must have a '[Symbol.iterator]()' method that returns an iterator.
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dependentDestructuredVariablesNoCrash2.ts(3,11): error TS2371: A parameter initializer is only allowed in a function or constructor implementation.
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dependentDestructuredVariablesNoCrash2.ts(3,12): error TS7022: 'undefined' implicitly has type 'any' because it does not have a type annotation and is referenced directly or indirectly in its own initializer.
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dependentDestructuredVariablesNoCrash2.ts(3,54): error TS2373: Parameter '[undefined, unknown]' cannot reference identifier 'undefined' declared after it.
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==== dependentDestructuredVariablesNoCrash2.ts (6 errors) ====
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// https://github.com/microsoft/TypeScript/issues/63091
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function ([undefined, unknown]: string | undefined = undefined)
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!!! error TS7010: '(Missing)', which lacks return-type annotation, implicitly has an 'any' return type.
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~
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!!! error TS1003: Identifier expected.
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~~~~~~~~~~~~~~~~~~~~
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!!! error TS2488: Type 'string | undefined' must have a '[Symbol.iterator]()' method that returns an iterator.
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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!!! error TS2371: A parameter initializer is only allowed in a function or constructor implementation.
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~~~~~~~~~
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!!! error TS7022: 'undefined' implicitly has type 'any' because it does not have a type annotation and is referenced directly or indirectly in its own initializer.
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~~~~~~~~~
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!!! error TS2373: Parameter '[undefined, unknown]' cannot reference identifier 'undefined' declared after it.
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‎tests/baselines/reference/dependentDestructuredVariablesNoCrash2.js‎

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//// [tests/cases/conformance/controlFlow/dependentDestructuredVariablesNoCrash2.ts] ////
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//// [dependentDestructuredVariablesNoCrash2.ts]
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// https://github.com/microsoft/TypeScript/issues/63091
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function ([undefined, unknown]: string | undefined = undefined)
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//// [dependentDestructuredVariablesNoCrash2.js]
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"use strict";
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// https://github.com/microsoft/TypeScript/issues/63091
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//// [dependentDestructuredVariablesNoCrash2.d.ts]
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declare function ([undefined, unknown]?: string | undefined): any;

‎tests/baselines/reference/dependentDestructuredVariablesNoCrash2.symbols‎

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//// [tests/cases/conformance/controlFlow/dependentDestructuredVariablesNoCrash2.ts] ////
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=== dependentDestructuredVariablesNoCrash2.ts ===
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// https://github.com/microsoft/TypeScript/issues/63091
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function ([undefined, unknown]: string | undefined = undefined)
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> : Symbol((Missing), Decl(dependentDestructuredVariablesNoCrash2.ts, 0, 0))
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>undefined : Symbol(undefined, Decl(dependentDestructuredVariablesNoCrash2.ts, 2, 11))
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>unknown : Symbol(unknown, Decl(dependentDestructuredVariablesNoCrash2.ts, 2, 21))
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>undefined : Symbol(undefined, Decl(dependentDestructuredVariablesNoCrash2.ts, 2, 11))
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‎tests/baselines/reference/dependentDestructuredVariablesNoCrash2.types‎

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//// [tests/cases/conformance/controlFlow/dependentDestructuredVariablesNoCrash2.ts] ////
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=== dependentDestructuredVariablesNoCrash2.ts ===
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// https://github.com/microsoft/TypeScript/issues/63091
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function ([undefined, unknown]: string | undefined = undefined)
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> : ([undefined, unknown]?: string | undefined) => any
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> : ^ ^^^ ^^^^^^^^
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>undefined : any
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> : ^^^
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>unknown : any
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> : ^^^
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>undefined : any
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> : ^^^
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‎tests/cases/conformance/controlFlow/dependentDestructuredVariablesNoCrash2.ts‎

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// @strict: true
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// @declaration: true
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// https://github.com/microsoft/TypeScript/issues/63091
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function ([undefined, unknown]: string | undefined = undefined)

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