Add issue links

Author: ujjwalvishwakarma2006

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;

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)]

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;

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
 }

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

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;