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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/consts/issue-68264-overflow.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/consts/issue-68264-overflow.rs')
-rw-r--r-- | tests/ui/consts/issue-68264-overflow.rs | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/tests/ui/consts/issue-68264-overflow.rs b/tests/ui/consts/issue-68264-overflow.rs new file mode 100644 index 000000000..8f21e0648 --- /dev/null +++ b/tests/ui/consts/issue-68264-overflow.rs @@ -0,0 +1,43 @@ +// check-pass +// compile-flags: --emit=mir,link +// Regression test for issue #68264 +// Checks that we don't encounter overflow +// when running const-prop on functions with +// complicated bounds +pub trait Query {} + +pub trait AsQuery { + type Query: Query; +} +pub trait Table: AsQuery + Sized {} + +pub trait LimitDsl { + type Output; +} + +pub(crate) trait LoadQuery<Conn, U>: RunQueryDsl<Conn> {} + +impl<T: Query> AsQuery for T { + type Query = Self; +} + +impl<T> LimitDsl for T +where + T: Table, + T::Query: LimitDsl, +{ + type Output = <T::Query as LimitDsl>::Output; +} + +pub(crate) trait RunQueryDsl<Conn>: Sized { + fn first<U>(self, _conn: &Conn) -> U + where + Self: LimitDsl, + Self::Output: LoadQuery<Conn, U>, + { + // Overflow is caused by this function body + unimplemented!() + } +} + +fn main() {} |