mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-28 01:34:21 +00:00
20 lines
380 B
Rust
20 lines
380 B
Rust
//@ needs-asm-support
|
|
//@ only-x86_64
|
|
|
|
// tests that `va_start` is not injected into naked functions
|
|
|
|
#![crate_type = "lib"]
|
|
#![feature(c_variadic)]
|
|
#![feature(naked_functions)]
|
|
#![no_std]
|
|
|
|
#[naked]
|
|
pub unsafe extern "C" fn c_variadic(_: usize, _: ...) {
|
|
// CHECK-NOT: va_start
|
|
// CHECK-NOT: alloca
|
|
core::arch::asm! {
|
|
"ret",
|
|
options(noreturn),
|
|
}
|
|
}
|