Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 23 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-29147.rs b/tests/ui/issues/issue-29147.rs
new file mode 100644
index 000000000..190ecf460
--- /dev/null
+++ b/tests/ui/issues/issue-29147.rs
@@ -0,0 +1,23 @@
+#![recursion_limit="1024"]
+#![allow(dead_code)]
+
+pub struct S0<T>(T,T);
+pub struct S1<T>(Option<Box<S0<S0<T>>>>,Option<Box<S0<S0<T>>>>);
+pub struct S2<T>(Option<Box<S1<S1<T>>>>,Option<Box<S1<S1<T>>>>);
+pub struct S3<T>(Option<Box<S2<S2<T>>>>,Option<Box<S2<S2<T>>>>);
+pub struct S4<T>(Option<Box<S3<S3<T>>>>,Option<Box<S3<S3<T>>>>);
+pub struct S5<T>(Option<Box<S4<S4<T>>>>,Option<Box<S4<S4<T>>>>,Option<T>);
+
+trait Foo { fn xxx(&self); }
+trait Bar {} // anything local or #[fundamental]
+
+impl<T> Foo for T where T: Bar, T: Sync {
+    fn xxx(&self) {}
+}
+
+impl Foo for S5<u32> { fn xxx(&self) {} }
+impl Foo for S5<u64> { fn xxx(&self) {} }
+
+fn main() {
+    let _ = <S5<_>>::xxx; //~ ERROR type annotations needed
+}