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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/const_prop/issue-102553.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/const_prop/issue-102553.rs')
-rw-r--r-- | tests/ui/const_prop/issue-102553.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/ui/const_prop/issue-102553.rs b/tests/ui/const_prop/issue-102553.rs new file mode 100644 index 000000000..523a9d7ac --- /dev/null +++ b/tests/ui/const_prop/issue-102553.rs @@ -0,0 +1,24 @@ +// compile-flags: --crate-type=lib +// check-pass + +pub trait Widget<E> { + fn boxed<'w>(self) -> Box<dyn WidgetDyn<E> + 'w> + where + Self: Sized + 'w; +} + +pub trait WidgetDyn<E> {} + +impl<T, E> WidgetDyn<E> for T where T: Widget<E> {} + +impl<E> Widget<E> for dyn WidgetDyn<E> + '_ { + fn boxed<'w>(self) -> Box<dyn WidgetDyn<E> + 'w> + where + Self: Sized + 'w, + { + // Even though this is illegal to const evaluate, this should never + // trigger an ICE because it can never be called from actual code + // (due to the trivially false where-clause predicate). + Box::new(self) + } +} |