tests/ui/c-variadic/feature-gate-extended_varargs_abi_support.rs

   1 fn efiapi(f: extern "efiapi" fn(usize, ...)) {
   2     //~^ ERROR: C-variadic function must have a compatible calling convention, like `C` or `cdecl`
   3     //~^^ ERROR: using calling conventions other than `C` or `cdecl` for varargs functions is unstable
   4     f(22, 44);
   5 }
   6 fn sysv(f: extern "sysv64" fn(usize, ...)) {
   7     //~^ ERROR: C-variadic function must have a compatible calling convention, like `C` or `cdecl`
   8     //~^^ ERROR: using calling conventions other than `C` or `cdecl` for varargs functions is unstable
   9     f(22, 44);
  10 }
  11 fn win(f: extern "win64" fn(usize, ...)) {
  12     //~^ ERROR: C-variadic function must have a compatible calling convention, like `C` or `cdecl`
  13     //~^^ ERROR: using calling conventions other than `C` or `cdecl` for varargs functions is unstable
  14     f(22, 44);
  15 }
  16
  17 fn main() {}