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Diffstat (limited to 'src/test/ui/consts/issue-50439.rs')
-rw-r--r-- | src/test/ui/consts/issue-50439.rs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/ui/consts/issue-50439.rs b/src/test/ui/consts/issue-50439.rs new file mode 100644 index 000000000..0be7c4054 --- /dev/null +++ b/src/test/ui/consts/issue-50439.rs @@ -0,0 +1,29 @@ +#![feature(specialization)] +#![allow(incomplete_features)] + +pub trait ReflectDrop { + const REFLECT_DROP: bool = false; +} + +impl<T> ReflectDrop for T where T: Clone {} + +pub trait PinDropInternal { + fn is_valid() + where + Self: ReflectDrop; +} + +struct Bears<T>(T); + +default impl<T> ReflectDrop for Bears<T> {} + +impl<T: Sized> PinDropInternal for Bears<T> { + fn is_valid() + where + Self: ReflectDrop, + { + let _ = [(); 0 - !!(<Bears<T> as ReflectDrop>::REFLECT_DROP) as usize]; //~ ERROR constant expression depends on a generic parameter + } +} + +fn main() {} |