mikros/rust
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Rollup merge of #114543 - RalfJung:test-96944, r=compiler-errors

Browse Source 
add tests for some fixed ConstProp ICEs

Fixes https://github.com/rust-lang/rust/issues/96944
Fixes https://github.com/rust-lang/rust/issues/111353
This commit is contained in:
Matthias Krüger 2023-08-07 00:06:06 +02:00 committed by GitHub
commit d720f93a62
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 33 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
tests/ui/const_prop/ice-issue-111353.rs Normal file
View File

@ -0,0 +1,7 @@
// build-pass
#![crate_type = "lib"]
#![feature(unsized_fn_params)]
pub fn f(mut x: [i32]) {
x[0] = 1;
}

26
tests/ui/const_prop/ice-issue-96944.rs Normal file
View File

@ -0,0 +1,26 @@
// build-pass
#![crate_type = "lib"]
#![allow(arithmetic_overflow)]
pub trait BitSplit {
type Half;
fn merge(halves: [Self::Half; 2]) -> Self;
}
macro_rules! impl_ints {
($int:ty => $half:ty; $mask:expr) => {
impl BitSplit for $int {
type Half = $half;
#[inline]
fn merge(halves: [Self::Half; 2]) -> Self {
const HALF_SIZE: usize = std::mem::size_of::<$half>() * 8;
(halves[0] << HALF_SIZE) as $int | halves[1] as $int
}
}
};
}
impl_ints!(u128 => u64; 0x0000_0000_0000_0000_FFFF_FFFF_FFFF_FFFF);
impl_ints!( u64 => u32; 0x0000_0000_FFFF_FFFF);
impl_ints!( u32 => u16; 0x0000_FFFF);
impl_ints!( u16 => u8; 0x00FF);