diff --git a/src/test/ui/const-generics/issues/issue-88119.rs b/src/test/ui/const-generics/issues/issue-88119.rs new file mode 100644 index 00000000000..70dfa7f708b --- /dev/null +++ b/src/test/ui/const-generics/issues/issue-88119.rs @@ -0,0 +1,35 @@ +// check-pass + +#![allow(incomplete_features)] +#![feature(const_trait_impl, generic_const_exprs)] + +trait ConstName { + const NAME_BYTES: &'static [u8]; +} + +impl const ConstName for u8 { + const NAME_BYTES: &'static [u8] = b"u8"; +} + +const fn name_len() -> usize { + T::NAME_BYTES.len() +} + +impl const ConstName for &T +where + [(); name_len::()]:, +{ + const NAME_BYTES: &'static [u8] = b"&T"; +} + +impl const ConstName for &mut T +where + [(); name_len::()]:, +{ + const NAME_BYTES: &'static [u8] = b"&mut T"; +} + +pub const ICE_1: &'static [u8] = <&&mut u8 as ConstName>::NAME_BYTES; +pub const ICE_2: &'static [u8] = <&mut &u8 as ConstName>::NAME_BYTES; + +fn main() {}