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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/traits/issue-68295.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/test/ui/traits/issue-68295.rs | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/test/ui/traits/issue-68295.rs b/src/test/ui/traits/issue-68295.rs new file mode 100644 index 000000000..7ff54539a --- /dev/null +++ b/src/test/ui/traits/issue-68295.rs @@ -0,0 +1,47 @@ +// check-fail +// +// regression test for #68295 + +struct Matrix<R, C, S>(R, C, S); + +impl<R, C, S> Matrix<R, C, S> { + fn into_owned(self) -> Matrix<R, C, Owned<R, C, ()>> + where + (): Allocator<R, C>, + { + unimplemented!() + } +} + +impl<D, S> Matrix<D, D, S> { + fn hermitian_part(&self) -> Matrix<D, D, Owned<D, D, ()>> + where + (): Allocator<D, D>, + { + unimplemented!() + } +} + +trait Allocator<R, C> { + type Buffer; +} + +trait Trait<R, C, A> { + type Power; +} + +impl<R, C, A: Allocator<R, C>> Trait<R, C, A> for () { + type Power = A::Buffer; +} + +type Owned<R, C, G> = <G as Trait<R, C, ()>>::Power; + +fn crash<R, C>(input: Matrix<R, C, ()>) -> Matrix<R, C, u32> +where + (): Allocator<R, C>, +{ + input.into_owned() + //~^ ERROR mismatched types [E0308] +} + +fn main() {} |