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// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// compile-flags: --edition 2018
#![feature(try_blocks)]
fn use_val<T: Sized>(_x: T) {}
pub fn main() {
let cfg_res;
let _: Result<(), ()> = try {
Err(())?;
cfg_res = 5;
Ok::<(), ()>(())?;
use_val(cfg_res);
};
assert_eq!(cfg_res, 5); //~ ERROR borrow of possibly uninitialized variable: `cfg_res`
}
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