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Diffstat (limited to 'tests/ui/nll/issue-52078.rs')
-rw-r--r-- | tests/ui/nll/issue-52078.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/ui/nll/issue-52078.rs b/tests/ui/nll/issue-52078.rs new file mode 100644 index 000000000..a2bcb91ac --- /dev/null +++ b/tests/ui/nll/issue-52078.rs @@ -0,0 +1,24 @@ +// Regression test for #52078: we were failing to infer a relationship +// between `'a` and `'b` below due to inference variables introduced +// during the normalization process. +// +// check-pass + +struct Drain<'a, T: 'a> { + _marker: ::std::marker::PhantomData<&'a T>, +} + +trait Join { + type Value; + fn get(value: &mut Self::Value); +} + +impl<'a, T> Join for Drain<'a, T> { + type Value = &'a mut Option<T>; + + fn get<'b>(value: &'b mut Self::Value) { + } +} + +fn main() { +} |