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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/object/bounds-cycle-1.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/traits/object/bounds-cycle-1.rs')
-rw-r--r-- | src/test/ui/traits/object/bounds-cycle-1.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/traits/object/bounds-cycle-1.rs b/src/test/ui/traits/object/bounds-cycle-1.rs new file mode 100644 index 000000000..314676492 --- /dev/null +++ b/src/test/ui/traits/object/bounds-cycle-1.rs @@ -0,0 +1,24 @@ +// Check that we don't have a cycle when we try to normalize `Self::U` in the +// bound below. + +// check-pass + +trait Is { + type T; +} + +impl<U> Is for U { + type T = U; +} + +trait Obj { + type U: Is<T = Self::U>; +} + +fn is_obj<T: ?Sized + Obj>(_: &T) {} + +fn f(x: &dyn Obj<U = i32>) { + is_obj(x) +} + +fn main() {} |