diff --git a/src/cmd/5c/reg.c b/src/cmd/5c/reg.c
index 030b0c327e..25bfc58222 100644
--- a/src/cmd/5c/reg.c
+++ b/src/cmd/5c/reg.c
@@ -461,6 +461,7 @@ brk:
 			case AGLOBL:
 			case ANAME:
 			case ASIGNAME:
+			case AFUNCDATA:
 				break;
 			}
 		}