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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/issue-52050.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/issue-52050.rs')
-rw-r--r-- | src/test/ui/specialization/issue-52050.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/test/ui/specialization/issue-52050.rs b/src/test/ui/specialization/issue-52050.rs new file mode 100644 index 000000000..804658702 --- /dev/null +++ b/src/test/ui/specialization/issue-52050.rs @@ -0,0 +1,32 @@ +#![feature(specialization)] //~ WARN the feature `specialization` is incomplete + +// Regression test for #52050: when inserting the blanket impl `I` +// into the tree, we had to replace the child node for `Foo`, which +// led to the structure of the tree being messed up. + +use std::iter::Iterator; + +trait IntoPyDictPointer { } + +struct Foo { } + +impl Iterator for Foo { + type Item = (); + fn next(&mut self) -> Option<()> { + None + } +} + +impl IntoPyDictPointer for Foo { } + +impl<I> IntoPyDictPointer for I +where + I: Iterator, +{ +} + +impl IntoPyDictPointer for () //~ ERROR conflicting implementations +{ +} + +fn main() { } |