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-rw-r--r--src/test/ui/higher-rank-trait-bounds/normalize-under-binder/issue-74261.rs30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/ui/higher-rank-trait-bounds/normalize-under-binder/issue-74261.rs b/src/test/ui/higher-rank-trait-bounds/normalize-under-binder/issue-74261.rs
new file mode 100644
index 000000000..93ccb4268
--- /dev/null
+++ b/src/test/ui/higher-rank-trait-bounds/normalize-under-binder/issue-74261.rs
@@ -0,0 +1,30 @@
+// check-pass
+
+use std::marker::PhantomData;
+
+trait A<'a> {
+ type B;
+ fn b(self) -> Self::B;
+}
+
+struct T;
+struct S<'a>(PhantomData<&'a ()>);
+
+impl<'a> A<'a> for T {
+ type B = S<'a>;
+ fn b(self) -> Self::B {
+ S(PhantomData)
+ }
+}
+
+fn s<TT, F>(t: TT, f: F)
+where
+ TT: for<'a> A<'a>,
+ F: for<'a> FnOnce(<TT as A<'a>>::B)
+{
+ f(t.b());
+}
+
+fn main() {
+ s(T, |_| {});
+}