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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/specialization/assoc-ty-graph-cycle.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 'src/test/ui/specialization/assoc-ty-graph-cycle.rs')
-rw-r--r-- | src/test/ui/specialization/assoc-ty-graph-cycle.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/ui/specialization/assoc-ty-graph-cycle.rs b/src/test/ui/specialization/assoc-ty-graph-cycle.rs new file mode 100644 index 000000000..fc39b553a --- /dev/null +++ b/src/test/ui/specialization/assoc-ty-graph-cycle.rs @@ -0,0 +1,25 @@ +// run-pass + +// Make sure we don't crash with a cycle error during coherence. + +#![feature(specialization)] //~ WARN the feature `specialization` is incomplete + +trait Trait<T> { + type Assoc; +} + +impl<T> Trait<T> for Vec<T> { + default type Assoc = (); +} + +impl Trait<u8> for Vec<u8> { + type Assoc = u8; +} + +impl<T> Trait<T> for String { + type Assoc = (); +} + +impl Trait<<Vec<u8> as Trait<u8>>::Assoc> for String {} + +fn main() {} |