add comment tests/ui/traits/catch-unwind-cell-interior-mut

Author: reddevilmidzy

tests/ui/traits/catch-unwind-cell-interior-mut.rs

@@ -1,3 +1,4 @@
+//! related issue: <https://github.com/rust-lang/rust/issues/40313>
 //@ compile-flags: -Zwrite-long-types-to-disk=yes
 use std::cell::Cell;
 use std::panic::catch_unwind;

tests/ui/traits/catch-unwind-cell-interior-mut.stderr

@@ -1,5 +1,5 @@
 error[E0277]: the type `UnsafeCell<i32>` may contain interior mutability and a reference may not be safely transferable across a catch_unwind boundary
-  --> $DIR/interior-mutability.rs:6:18
+  --> $DIR/catch-unwind-cell-interior-mut.rs:7:18
    |
 LL |     catch_unwind(|| { x.set(23); });
    |     ------------ ^^^^^^^^^^^^^^^^^ `UnsafeCell<i32>` may contain interior mutability and a reference may not be safely transferable across a catch_unwind boundary
@@ -11,7 +11,7 @@ note: required because it appears within the type `Cell<i32>`
   --> $SRC_DIR/core/src/cell.rs:LL:COL
    = note: required for `&Cell<i32>` to implement `UnwindSafe`
 note: required because it's used within this closure
-  --> $DIR/interior-mutability.rs:6:18
+  --> $DIR/catch-unwind-cell-interior-mut.rs:7:18
    |
 LL |     catch_unwind(|| { x.set(23); });
    |                  ^^