1 files changed, 2 insertions, 0 deletions
diff --git a/src/test/run-pass/mutability-inherits-through-fixed-length-vec.rs b/src/test/run-pass/mutability-inherits-through-fixed-length-vec.rs
index e074c3fb3d7..bed3b87def5 100644
--- a/src/test/run-pass/mutability-inherits-through-fixed-length-vec.rs
+++ b/src/test/run-pass/mutability-inherits-through-fixed-length-vec.rs
@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// pretty-expanded FIXME #23616
+
 fn test1() {
     let mut ints = [0; 32];
     ints[0] += 1;