Add a comment where people might look for pp_grepwhile() to point out it lives in pp_hot.c, not next to its sibling functions in pp_ctl.c

1 files changed, 2 insertions, 0 deletions

diff --git a/pp_ctl.c b/pp_ctl.c
index a480bb762d..6a373b3e5d 100644
--- a/pp_ctl.c
+++ b/pp_ctl.c
@@ -1002,6 +1002,8 @@ PP(pp_grepstart)
     return ((LOGOP*)PL_op->op_next)->op_other;
 }
 
+/* pp_grepwhile() lives in pp_hot.c */
+
 PP(pp_mapwhile)
 {
     dSP;