rust/tests/ui/asm/naked-with-invalid-repr-attr.rs
Folkert de Vries 562ec5a6fb disallow asm! in #[naked] functions
also disallow the `noreturn` option, and infer `naked_asm!` as `!`
2024-10-06 18:12:25 +02:00

49 lines
1.2 KiB
Rust

//@ needs-asm-support
#![feature(naked_functions)]
#![feature(fn_align)]
#![crate_type = "lib"]
use std::arch::naked_asm;
#[repr(C)]
//~^ ERROR attribute should be applied to a struct, enum, or union [E0517]
#[naked]
extern "C" fn example1() {
//~^ NOTE not a struct, enum, or union
unsafe { naked_asm!("") }
}
#[repr(transparent)]
//~^ ERROR attribute should be applied to a struct, enum, or union [E0517]
#[naked]
extern "C" fn example2() {
//~^ NOTE not a struct, enum, or union
unsafe { naked_asm!("") }
}
#[repr(align(16), C)]
//~^ ERROR attribute should be applied to a struct, enum, or union [E0517]
#[naked]
extern "C" fn example3() {
//~^ NOTE not a struct, enum, or union
unsafe { naked_asm!("") }
}
// note: two errors because of packed and C
#[repr(C, packed)]
//~^ ERROR attribute should be applied to a struct or union [E0517]
//~| ERROR attribute should be applied to a struct, enum, or union [E0517]
#[naked]
extern "C" fn example4() {
//~^ NOTE not a struct, enum, or union
//~| NOTE not a struct or union
unsafe { naked_asm!("") }
}
#[repr(u8)]
//~^ ERROR attribute should be applied to an enum [E0517]
#[naked]
extern "C" fn example5() {
//~^ NOTE not an enum
unsafe { naked_asm!("") }
}