add issue links and bless

Author: danieljofficial

tests/ui/box/box-array-match-temporary-drop.rs

@@ -1,5 +1,5 @@
 //@ run-pass
-// See Issues #20055 and #21695.
+// See Issues https://github.com/rust-lang/rust/issues/20055 and https://github.com/rust-lang/rust/issues/21695.
 
 // We are checking here that the temporaries `Box<[i8, k]>`, for `k`
 // in 1, 2, 3, 4, that are induced by the match expression are

tests/ui/box/box-array-match-temporary-drop.stderr

@@ -1,5 +1,5 @@
 warning: method `dummy` is never used
-  --> $DIR/issue-20055-box-trait.rs:11:8
+  --> $DIR/box-array-match-temporary-drop.rs:11:8
    |
 LL | trait Boo {
    |       --- method in this trait

tests/ui/box/box-deref-in-match-arm-no-invalid-ir.rs

@@ -1,3 +1,5 @@
+//! Regression test for https://github.com/rust-lang/rust/issues/18845
+
 //@ run-pass
 // This used to generate invalid IR in that even if we took the
 // `false` branch we'd still try to free the Box from the other

tests/ui/box/box-dst-node-with-empty-slice.rs

@@ -1,3 +1,5 @@
+//! Regression test for https://github.com/rust-lang/rust/issues/23491
+
 //@ run-pass
 #![allow(unused_variables)]
 

tests/ui/box/box-fixed-array-coerce-unsized-match.rs

@@ -1,5 +1,5 @@
 //@ run-pass
-// Issue #2005: Check that boxed fixed-size arrays are properly
+// Issue https://github.com/rust-lang/rust/issues/20055: Check that boxed fixed-size arrays are properly
 // accounted for (namely, only deallocated if they were actually
 // created) when they appear as temporaries in unused arms of a match
 // expression.