src/librustc_error_codes/error_codes/E0664.md

   1 A clobber was surrounded by braces in the `asm` macro.
   2
   3 Erroneous code example:
   4
   5 ```compile_fail,E0664
   6 asm!("mov $$0x200, %eax"
   7      :
   8      :
   9      : "{eax}"
  10     );
  11 ```
  12
  13 Considering that this would be a long explanation, we instead recommend you to
  14 take a look at the unstable book:
  15 https://doc.rust-lang.org/unstable-book/language-features/asm.html