From 5381ec5e5527d922b5dbfaa3b94aab9aa313d50d Mon Sep 17 00:00:00 2001
From: matz <matz@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed, 14 Nov 2018 16:02:03 +0000
Subject: [PATCH] Add comment

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266149 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/gimplify.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index 017dbbc37dcf..87082ad10d2a 100644
--- a/gcc/gimplify.c
+++ b/gcc/gimplify.c
@@ -1959,7 +1959,9 @@ last_stmt_in_scope (gimple *stmt)
 }
 
 /* Collect interesting labels in LABELS and return the statement preceding
-   another case label, or a user-defined label.  */
+   another case label, or a user-defined label.  Store a location useful
+   to give warnings at *PREVLOC (usually the location of the returned
+   statement or of its surrounding scope).  */
 
 static gimple *
 collect_fallthrough_labels (gimple_stmt_iterator *gsi_p,
-- 
2.47.2