src/test/compile-fail/asm-bad-clobber.rs

   1 // Copyright 2016 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 // ignore-android
  12 // ignore-arm
  13 // ignore-aarch64
  14
  15 #![feature(asm, rustc_attrs)]
  16
  17 #[cfg(any(target_arch = "x86",
  18           target_arch = "x86_64"))]
  19 #[rustc_error]
  20 pub fn main() {
  21     unsafe {
  22         // clobber formatted as register input/output
  23         asm!("xor %eax, %eax" : : : "{eax}");
  24         //~^ ERROR clobber should not be surrounded by braces
  25     }
  26 }