Add test for uniquifying regions

matthiaskrgr · Apr 14, 2023 · c68c6c3 · c68c6c3
1 parent 43e6f99
commit c68c6c3
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/tests/ui/traits/new-solver/iter-filter-projection.rs b/tests/ui/traits/new-solver/iter-filter-projection.rs
@@ -0,0 +1,12 @@
+// compile-flags: -Ztrait-solver=next
+// check-pass
+
+use std::{iter, slice};
+
+struct Attr;
+
+fn test<'a, T: Iterator<Item = &'a Attr>>() {}
+
+fn main() {
+    test::<iter::Filter<slice::Iter<'_, Attr>, fn(&&Attr) -> bool>>();
+}