rust/tests/ui/issues/issue-39984.rs

//@ check-pass
#![allow(dead_code)]
#![allow(unreachable_code)]
// Regression test for issue #39984.
//
// The key here is that the error type of the `Ok` call ought to be
// constrained to `String`, even though it is dead-code.

fn main() {}

fn t() -> Result<(), String> {
    return Err("".into());
    Ok(())
}
Use check-pass in ui tests where appropriate 2019-11-04 00:00:00 +00:00			`//@ check-pass`
Add `#![allow(..)]` as necessary to get re-migrated run-pass tests compiling with clean stderr again. Most were added mechanically. 2018-09-25 21:51:35 +00:00			`#![allow(dead_code)]`
			`#![allow(unreachable_code)]`
add regression test for #39984 Fixes #39984 2017-03-18 16:28:34 +00:00			`// Regression test for issue #39984.`
			`//`
			// The key here is that the error type of the `Ok` call ought to be
			// constrained to `String`, even though it is dead-code.

			`fn main() {}`

			`fn t() -> Result<(), String> {`
			`return Err("".into());`
			`Ok(())`
			`}`