rust/tests/ui/target-feature/forbidden-target-feature-attribute.rs

//! Ensure "forbidden" target features cannot be enabled via `#[target_feature]`.
//@ compile-flags: --target=riscv32e-unknown-none-elf --crate-type=lib
//@ needs-llvm-components: riscv
//@ ignore-backends: gcc
//@ add-core-stubs
#![feature(no_core)]
#![no_core]

extern crate minicore;
use minicore::*;

#[target_feature(enable = "forced-atomics")]
//~^ERROR: cannot be enabled with
pub unsafe fn my_fun() {}
add rustc_abi to control ABI decisions LLVM does not have flags for, and use it for x86 softfloat 2025-01-27 18:18:13 +01:00			//! Ensure "forbidden" target features cannot be enabled via `#[target_feature]`.
			`//@ compile-flags: --target=riscv32e-unknown-none-elf --crate-type=lib`
			`//@ needs-llvm-components: riscv`
Ignore more failing ui tests for GCC backend 2025-10-13 15:30:26 +02:00			`//@ ignore-backends: gcc`
use minicore for target-feature tests 2025-10-17 16:20:44 +02:00			`//@ add-core-stubs`
			`#![feature(no_core)]`
mark some target features as 'forbidden' so they cannot be (un)set For now, this is just a warning, but should become a hard error in the future 2024-09-02 11:45:59 +02:00			`#![no_core]`

use minicore for target-feature tests 2025-10-17 16:20:44 +02:00			`extern crate minicore;`
			`use minicore::*;`
mark some target features as 'forbidden' so they cannot be (un)set For now, this is just a warning, but should become a hard error in the future 2024-09-02 11:45:59 +02:00
add rustc_abi to control ABI decisions LLVM does not have flags for, and use it for x86 softfloat 2025-01-27 18:18:13 +01:00			`#[target_feature(enable = "forced-atomics")]`
explicitly model that certain ABIs require/forbid certain target features 2024-12-26 18:32:22 +01:00			`//~^ERROR: cannot be enabled with`
mark some target features as 'forbidden' so they cannot be (un)set For now, this is just a warning, but should become a hard error in the future 2024-09-02 11:45:59 +02:00			`pub unsafe fn my_fun() {}`