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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/coherence/coherence-overlap-issue-23516.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/coherence/coherence-overlap-issue-23516.rs')
-rw-r--r-- | tests/ui/coherence/coherence-overlap-issue-23516.rs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tests/ui/coherence/coherence-overlap-issue-23516.rs b/tests/ui/coherence/coherence-overlap-issue-23516.rs new file mode 100644 index 000000000..63e42e8f4 --- /dev/null +++ b/tests/ui/coherence/coherence-overlap-issue-23516.rs @@ -0,0 +1,11 @@ +// Tests that we consider `Box<U>: !Sugar` to be ambiguous, even +// though we see no impl of `Sugar` for `Box`. Therefore, an overlap +// error is reported for the following pair of impls (#23516). + +pub trait Sugar { fn dummy(&self) { } } +pub trait Sweet { fn dummy(&self) { } } +impl<T:Sugar> Sweet for T { } +impl<U:Sugar> Sweet for Box<U> { } +//~^ ERROR E0119 + +fn main() { } |