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=== tests/cases/conformance/controlFlow/controlFlowParameter.ts ===
function f1(
>f1 : (required?: unknown) => void
required: unknown = (() => {
>required : unknown
>(() => { throw new Error("bad"); })() : never
>(() => { throw new Error("bad"); }) : () => never
>() => { throw new Error("bad"); } : () => never
throw new Error("bad");
>new Error("bad") : Error
>Error : ErrorConstructor
>"bad" : "bad"
})()
) {
console.log("ok"); // should not trigger 'Unreachable code detected.'
>console.log("ok") : void
>console.log : (...data: any[]) => void
>console : Console
>log : (...data: any[]) => void
>"ok" : "ok"
}
function f2(
>f2 : (a: number | string | undefined, required?: unknown) => void
a: number | string | undefined,
>a : string | number | undefined
required: unknown = (() => {
>required : unknown
>(() => { a = 1; })() : void
>(() => { a = 1; }) : () => void
>() => { a = 1; } : () => void
a = 1;
>a = 1 : 1
>a : string | number | undefined
>1 : 1
})()
) {
a; // should be number | string | undefined
>a : string | number | undefined
}
function f3(
>f3 : (a?: number | string | undefined, required?: unknown) => void
a: number | string | undefined = 1,
>a : string | number | undefined
>1 : 1
required: unknown = (() => {
>required : unknown
>(() => { a = ""; })() : void
>(() => { a = ""; }) : () => void
>() => { a = ""; } : () => void
a = "";
>a = "" : ""
>a : string | number | undefined
>"" : ""
})()
) {
a; // should be number | string
>a : string | number
}
function f4(
>f4 : (a?: number | string | undefined, { [(a = "")]: b }?: any) => void
a: number | string | undefined = 1,
>a : string | number | undefined
>1 : 1
{ [(a = "")]: b } = {} as any
>(a = "") : ""
>a = "" : ""
>a : string | number | undefined
>"" : ""
>b : any
>{} as any : any
>{} : {}
) {
a; // should be string
>a : string
}
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