mirror of
https://github.com/rust-lang/rust.git
synced 2025-05-01 04:27:38 +00:00

After the stabilization PR was opened, `extern "system"` functions were added to `extended_varargs_abi_support`. This has a number of questions regarding it that were not discussed and were somewhat surprising. It deserves to be considered as its own feature, separate from `extended_varargs_abi_support`.
17 lines
523 B
Rust
17 lines
523 B
Rust
//@ only-x86_64
|
|
|
|
fn efiapi(f: extern "efiapi" fn(usize, ...)) {
|
|
//~^ ERROR: using calling conventions other than `C` or `cdecl` for varargs functions is unstable
|
|
f(22, 44);
|
|
}
|
|
fn sysv(f: extern "sysv64" fn(usize, ...)) {
|
|
//~^ ERROR: using calling conventions other than `C` or `cdecl` for varargs functions is unstable
|
|
f(22, 44);
|
|
}
|
|
fn win(f: extern "win64" fn(usize, ...)) {
|
|
//~^ ERROR: using calling conventions other than `C` or `cdecl` for varargs functions is unstable
|
|
f(22, 44);
|
|
}
|
|
|
|
fn main() {}
|