src/test/ui/llvm-asm/llvm-asm-bad-clobber.rs

   1 // ignore-android
   2 // ignore-arm
   3 // ignore-aarch64
   4 // ignore-s390x
   5 // ignore-emscripten
   6 // ignore-powerpc
   7 // ignore-powerpc64
   8 // ignore-powerpc64le
   9 // ignore-riscv64
  10 // ignore-sparc
  11 // ignore-sparc64
  12 // ignore-mips
  13 // ignore-mips64
  14
  15 #![feature(llvm_asm)]
  16 #![allow(deprecated)] // llvm_asm!
  17
  18 #[cfg(any(target_arch = "x86",
  19           target_arch = "x86_64"))]
  20
  21 pub fn main() {
  22     unsafe {
  23         // clobber formatted as register input/output
  24         llvm_asm!("xor %eax, %eax" : : : "{eax}");
  25         //~^ ERROR clobber should not be surrounded by braces
  26     }
  27 }