1 files changed, 55 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-31776.rs b/tests/ui/issues/issue-31776.rs
new file mode 100644
index 00000000000..c86623ce289
--- /dev/null
+++ b/tests/ui/issues/issue-31776.rs
@@ -0,0 +1,55 @@
+// run-pass
+#![allow(dead_code)]
+#![allow(unused_variables)]
+// Various scenarios in which `pub` is required in blocks
+
+struct S;
+
+mod m {
+    fn f() {
+        impl ::S {
+            pub fn s(&self) {}
+        }
+    }
+}
+
+// Scenario 1
+
+pub trait Tr {
+    type A;
+}
+pub struct S1;
+
+fn f() {
+    pub struct Z;
+
+    impl ::Tr for ::S1 {
+        type A = Z; // Private-in-public error unless `struct Z` is pub
+    }
+}
+
+// Scenario 2
+
+trait Tr1 {
+    type A;
+    fn pull(&self) -> Self::A;
+}
+struct S2;
+
+mod m1 {
+    fn f() {
+        pub struct Z {
+            pub field: u8
+        }
+
+        impl ::Tr1 for ::S2 {
+            type A = Z;
+            fn pull(&self) -> Self::A { Z{field: 10} }
+        }
+    }
+}
+
+fn main() {
+    S.s(); // Privacy error, unless `fn s` is pub
+    let a = S2.pull().field; // Privacy error unless `field: u8` is pub
+}