src/test/run-pass/issue-26468.rs

   1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 #![allow(dead_code)]
  12
  13 enum FooMode {
  14     Check = 0x1001,
  15 }
  16
  17 enum BarMode {
  18     Check = 0x2001,
  19 }
  20
  21 enum Mode {
  22     Foo(FooMode),
  23     Bar(BarMode),
  24 }
  25
  26 #[inline(never)]
  27 fn broken(mode: &Mode) -> u32 {
  28     for _ in 0..1 {
  29         if let Mode::Foo(FooMode::Check) = *mode { return 17 }
  30         if let Mode::Bar(BarMode::Check) = *mode { return 19 }
  31     }
  32     return 42;
  33 }
  34
  35 fn main() {
  36     let mode = Mode::Bar(BarMode::Check);
  37     assert_eq!(broken(&mode), 19);
  38 }