gcc/testsuite/rust/compile/macro-issue1233.rs

   1 // { dg-additional-options "-frust-cfg=A -w" }
   2
   3 macro_rules! impl_uint {
   4     ($($ty:ident = $lang:literal),*) => {
   5         $(
   6             impl $ty {
   7                 pub fn to_le(self) -> Self {
   8                     #[cfg(not(A))]
   9                     {
  10                         self
  11                     }
  12                     #[cfg(A)]
  13                     {
  14                         self
  15                     }
  16                 }
  17             }
  18         )*
  19     }
  20 }
  21
  22 impl_uint!(u8 = "u8", u16 = "u16", u32 = "u32");