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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/nll/issue-63154-normalize.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/nll/issue-63154-normalize.rs')
-rw-r--r-- | tests/ui/nll/issue-63154-normalize.rs | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tests/ui/nll/issue-63154-normalize.rs b/tests/ui/nll/issue-63154-normalize.rs new file mode 100644 index 000000000..484c12879 --- /dev/null +++ b/tests/ui/nll/issue-63154-normalize.rs @@ -0,0 +1,34 @@ +// Regression test for rust-lang/rust#63154 +// +// Before, we would ICE after failing to normalize the destination type +// when checking call destinations and also when checking MIR +// assignment statements. + +// check-pass + +trait HasAssocType { + type Inner; +} + +impl HasAssocType for () { + type Inner = (); +} + +trait Tr<I, T>: Fn(I) -> Option<T> {} +impl<I, T, Q: Fn(I) -> Option<T>> Tr<I, T> for Q {} + +fn f<T: HasAssocType>() -> impl Tr<T, T::Inner> { + |_| None +} + +fn g<T, Y>(f: impl Tr<T, Y>) -> impl Tr<T, Y> { + f +} + +fn h() { + g(f())(()); +} + +fn main() { + h(); +} |