rust/tests/codegen/cffi/c-variadic-naked.rs
2025-04-19 00:03:35 +02:00

16 lines
351 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]
#[unsafe(naked)]
pub unsafe extern "C" fn c_variadic(_: usize, _: ...) {
// CHECK-NOT: va_start
// CHECK-NOT: alloca
core::arch::naked_asm!("ret")
}