rust/tests/ui/target-feature/abi-incompatible-target-feature-flag-enable.rs

//! Ensure ABI-incompatible features cannot be enabled via `-Ctarget-feature`.
// These are just warnings for now.
//@ check-pass
//@ compile-flags: --crate-type=lib
//@ revisions: x86 riscv
//@[x86] compile-flags: --target=x86_64-unknown-linux-gnu -Ctarget-feature=+soft-float
//@[x86] needs-llvm-components: x86
//@[riscv] compile-flags: --target=riscv32e-unknown-none-elf -Ctarget-feature=+d
//@[riscv] needs-llvm-components: riscv

#![feature(no_core, lang_items, riscv_target_feature)]
#![no_core]

#[lang = "pointee_sized"]
pub trait PointeeSized {}

#[lang = "meta_sized"]
pub trait MetaSized: PointeeSized {}

#[lang = "sized"]
pub trait Sized {}
#[lang = "freeze"]
pub trait Freeze {}

//~? WARN must be disabled to ensure that the ABI of the current target can be implemented correctly
//~? WARN unstable feature specified for `-Ctarget-feature`