rust/tests/ui/const_prop/overwrite_with_const_with_params.rs
2024-02-16 20:02:50 +00:00

21 lines
432 B
Rust

//@ compile-flags: -O
//@ run-pass
// Regression test for https://github.com/rust-lang/rust/issues/118328
#![allow(unused_assignments)]
struct SizeOfConst<T>(std::marker::PhantomData<T>);
impl<T> SizeOfConst<T> {
const SIZE: usize = std::mem::size_of::<T>();
}
fn size_of<T>() -> usize {
let mut a = 0;
a = SizeOfConst::<T>::SIZE;
a
}
fn main() {
assert_eq!(size_of::<u32>(), std::mem::size_of::<u32>());
}