* c-pch.c (pch_init): Clear v.

From-SVN: r156724

gcc/ChangeLog

+2010-02-11  Jakub Jelinek  <jakub@redhat.com>
+
+	* c-pch.c (pch_init): Clear v.
+
 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
 
 	PR middle-end/42930

gcc/c-pch.c

 /* Precompiled header implementation for the C languages.
-   Copyright (C) 2000, 2002, 2003, 2004, 2005, 2007, 2008, 2009
+   Copyright (C) 2000, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -134,6 +134,7 @@ pch_init (void)
 
   gcc_assert (memcmp (executable_checksum, no_checksum, 16) != 0);
 
+  memset (&v, '\0', sizeof (v));
   v.debug_info_type = write_symbols;
   {
     size_t i;