diff --git a/tests/ui/higher-ranked/binop-lhs-hrtb-subtyping.rs b/tests/ui/higher-ranked/binop-lhs-hrtb-subtyping.rs
index fad8284caf5b..9408bc120e1c 100644
--- a/tests/ui/higher-ranked/binop-lhs-hrtb-subtyping.rs
+++ b/tests/ui/higher-ranked/binop-lhs-hrtb-subtyping.rs
@@ -1,3 +1,4 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/45425>
 //@ check-pass
 #![allow(dead_code)]
 use std::ops::Add;
diff --git a/tests/ui/overloaded/subtyping-both-lhs-and-rhs-in-add-impl.rs b/tests/ui/overloaded/subtyping-both-lhs-and-rhs-in-add-impl.rs
index 9075085bab74..7ec43607c2bc 100644
--- a/tests/ui/overloaded/subtyping-both-lhs-and-rhs-in-add-impl.rs
+++ b/tests/ui/overloaded/subtyping-both-lhs-and-rhs-in-add-impl.rs
@@ -1,3 +1,4 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/32008>
 //@ run-pass
 #![allow(dead_code)]
 #![allow(unused_variables)]
diff --git a/tests/ui/reborrow/reborrow-mutable-reference.rs b/tests/ui/reborrow/reborrow-mutable-reference.rs
index 76b0fa2d6e08..a66e4de34bcb 100644
--- a/tests/ui/reborrow/reborrow-mutable-reference.rs
+++ b/tests/ui/reborrow/reborrow-mutable-reference.rs
@@ -1,3 +1,4 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/28839>
 //@ run-pass
 
 pub struct Foo;
diff --git a/tests/ui/resolve/auxiliary/resolve-conflict-local-vs-glob-import-a.rs b/tests/ui/resolve/auxiliary/resolve-conflict-local-vs-glob-import-a.rs
index 418ddc0b0692..3ce7e5f30836 100644
--- a/tests/ui/resolve/auxiliary/resolve-conflict-local-vs-glob-import-a.rs
+++ b/tests/ui/resolve/auxiliary/resolve-conflict-local-vs-glob-import-a.rs
@@ -1,3 +1,4 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/2316>
 enum cat {
   tabby, calico, tortoiseshell
 }
diff --git a/tests/ui/resolve/auxiliary/resolve-conflict-local-vs-glob-import-b.rs b/tests/ui/resolve/auxiliary/resolve-conflict-local-vs-glob-import-b.rs
index 550c2d6eb226..64fc45e21faf 100644
--- a/tests/ui/resolve/auxiliary/resolve-conflict-local-vs-glob-import-b.rs
+++ b/tests/ui/resolve/auxiliary/resolve-conflict-local-vs-glob-import-b.rs
@@ -1,9 +1,10 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/2316>
 #![allow(unused_imports)]
 
-extern crate issue_2316_a;
+extern crate resolve_conflict_local_vs_glob_import_a;
 
 pub mod cloth {
-    use issue_2316_a::*;
+    use resolve_conflict_local_vs_glob_import_a::*;
 
     pub enum fabric {
         gingham, flannel, calico
diff --git a/tests/ui/resolve/resolve-conflict-local-vs-glob-import.rs b/tests/ui/resolve/resolve-conflict-local-vs-glob-import.rs
index f800d4723ffd..eebab6509d73 100644
--- a/tests/ui/resolve/resolve-conflict-local-vs-glob-import.rs
+++ b/tests/ui/resolve/resolve-conflict-local-vs-glob-import.rs
@@ -1,10 +1,11 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/2316>
 //@ run-pass
-//@ aux-build:issue-2316-a.rs
-//@ aux-build:issue-2316-b.rs
+//@ aux-build:resolve-conflict-local-vs-glob-import-a.rs
+//@ aux-build:resolve-conflict-local-vs-glob-import-b.rs
 
 
-extern crate issue_2316_b;
-use issue_2316_b::cloth;
+extern crate resolve_conflict_local_vs_glob_import_b;
+use resolve_conflict_local_vs_glob_import_b::cloth;
 
 pub fn main() {
   let _c: cloth::fabric = cloth::fabric::calico;