tests/cases/compiler/firstMatchRegExpMatchArray.ts(5,11): error TS2322: Type 'string | undefined' is not assignable to type 'string'.
  Type 'undefined' is not assignable to type 'string'.


==== tests/cases/compiler/firstMatchRegExpMatchArray.ts (1 errors) ====
    const match = ''.match(/ /)
    
    if (match !== null) {
        const foo: string = match[0]
        const bar: string = match[1]
              ~~~
!!! error TS2322: Type 'string | undefined' is not assignable to type 'string'.
!!! error TS2322:   Type 'undefined' is not assignable to type 'string'.
    }
    