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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/traits/issue-78632.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/traits/issue-78632.rs')
-rw-r--r-- | tests/ui/traits/issue-78632.rs | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/tests/ui/traits/issue-78632.rs b/tests/ui/traits/issue-78632.rs new file mode 100644 index 000000000..c72a2aef4 --- /dev/null +++ b/tests/ui/traits/issue-78632.rs @@ -0,0 +1,59 @@ +// check-pass +// +// Regression test for issue #78632 + +#![crate_type = "lib"] + +pub trait Corge<T> { + type Fred; +} + +impl Corge<u8> for () { + type Fred = u32; +} + +pub trait Waldo { + type Quax; +} + +impl Waldo for u32 { + type Quax = u8; +} + +pub trait Grault +where + (): Corge<Self::Thud>, +{ + type Thud; + fn bar(_: <() as Corge<Self::Thud>>::Fred) {} +} + +impl<T> Grault for T +where + T: Waldo, + (): Corge<T::Quax>, + <() as Corge<T::Quax>>::Fred: Waldo, +{ + type Thud = u8; +} + +pub trait Plugh<I> { + fn baz(); +} + +#[derive(Copy, Clone, Debug)] +pub struct Qiz<T> { + foo: T, +} + +impl<T> Plugh<<() as Corge<T::Thud>>::Fred> for Qiz<T> +where + T: Grault, + (): Corge<T::Thud>, +{ + fn baz() {} +} + +pub fn test() { + <Qiz<u32> as Plugh<u32>>::baz(); +} |