From: Michael Matz <matz@gcc.gnu.org>
Date: Wed, 14 Nov 2018 16:02:03 +0000 (+0000)
Subject: Add comment
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=62ec3fe8f1bb871c19b6d30b3051443293276d54;p=gcc.git

Add comment

From-SVN: r266149
---

diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index 017dbbc37dc..87082ad10d2 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,