From: Richard Guenther <rguenther@suse.de>
Date: Fri, 9 Sep 2005 13:37:03 +0000 (+0000)
Subject: re PR c/20239 (ICE on empty preprocessed input)
X-Git-Tag: releases/gcc-3.4.5~199
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f583a973169244a7a24b1477d1aed6cd7f3219be;p=thirdparty%2Fgcc.git

re PR c/20239 (ICE on empty preprocessed input)

2005-09-09  Richard Guenther  <rguenther@suse.de>

	PR c/20239
	* cppinit.c (cpp_read_main_file): Avoid segfaulting on
	NULL pfile->map.

From-SVN: r104096
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2b6912beb54c..3bb65ce47ef1 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2005-09-09  Richard Guenther  <rguenther@suse.de>
+
+	PR c/20239
+	* cppinit.c (cpp_read_main_file): Avoid segfaulting on
+	NULL pfile->map.
+
 2005-09-09  Richard Guenther  <rguenther@suse.de>
 
 	PR c++/23624
diff --git a/gcc/cppinit.c b/gcc/cppinit.c
index ae30568699c5..b83b6f2528d5 100644
--- a/gcc/cppinit.c
+++ b/gcc/cppinit.c
@@ -477,6 +477,8 @@ cpp_read_main_file (cpp_reader *pfile, const char *fname)
   if (CPP_OPTION (pfile, preprocessed))
     {
       read_original_filename (pfile);
+      if (!pfile->map)
+	return NULL;
       fname = pfile->map->to_file;
     }
   return fname;