From fd12bc82dac2d1074f07cd7ce9e94b4cb7017d1b Mon Sep 17 00:00:00 2001
From: Richard Kenner <kenner@gcc.gnu.org>
Date: Tue, 25 Oct 1994 18:39:55 -0400
Subject: [PATCH] (rescan): ".." no longer terminates a preprocessing number,
 since that's incompatible with the C standard.

From-SVN: r8339
---
 gcc/cccp.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/gcc/cccp.c b/gcc/cccp.c
index 7f3613d874d..5901f5f362f 100644
--- a/gcc/cccp.c
+++ b/gcc/cccp.c
@@ -2934,9 +2934,7 @@ do { ip = &instack[indepth];		\
 	    ibp += 2;
 	  }
 	  c = *ibp++;
-	  /* ".." terminates a preprocessing number.  This is useless for C
-	     code but useful for preprocessing other things.  */
-	  if (!isalnum (c) && (c != '.' || *ibp == '.') && c != '_') {
+	  if (!is_idchar[c] && c != '.') {
 	    --ibp;
 	    break;
 	  }
-- 
2.30.2