=== tests/cases/conformance/generators/generatorReturnTypeFallback.5.ts ===
// Allow generators to fallback to IterableIterator if they do not need a type for the sent value while in strictNullChecks mode.
function* f(): IterableIterator<number> {
>f : Symbol(f, Decl(generatorReturnTypeFallback.5.ts, 0, 0))
>IterableIterator : Symbol(IterableIterator, Decl(lib.es2015.iterable.d.ts, --, --))

    yield 1;
}
