From 18e2b1c06ed8c34393fb517d1ff4d27bd04389f8 Mon Sep 17 00:00:00 2001
From: Jim Wilson <wilson@gcc.gnu.org>
Date: Wed, 6 Apr 1994 16:01:45 -0700
Subject: [PATCH] (discard_comments): Replace comments with a single space.

From-SVN: r6993
---
 gcc/cccp.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/gcc/cccp.c b/gcc/cccp.c
index 1901cf6059c..1380d201c9b 100644
--- a/gcc/cccp.c
+++ b/gcc/cccp.c
@@ -8170,14 +8170,16 @@ discard_comments (start, length, newlines)
 	newline_fix (ibp);
       /* Delete any comment.  */
       if (cplusplus_comments && ibp[0] == '/') {
-	obp--;
+	/* Comments are equivalent to spaces.  */
+	obp[-1] = ' ';
 	ibp++;
 	while (ibp < limit && *ibp++ != '\n') ;
 	break;
       }
       if (ibp[0] != '*' || ibp + 1 >= limit)
 	break;
-      obp--;
+      /* Comments are equivalent to spaces.  */
+      obp[-1] = ' ';
       ibp++;
       while (ibp + 1 < limit) {
 	if (ibp[0] == '*'
-- 
2.30.2