cccp.c (main): Avoid undefined behavior when setting pend_includes and pend_files.

        * cccp.c (main): Avoid undefined behavior when setting pend_includes
        and pend_files.

From-SVN: r18409

gcc/ChangeLog

+Thu Mar  5 00:05:40 1998  Jeffrey A Law  (law@cygnus.com)
+
+	* cccp.c (main): Avoid undefined behavior when setting pend_includes
+	and pend_files.
+
 Wed Mar  4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
 
 	* rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if 

gcc/cccp.c

@@ -1301,16 +1301,20 @@ main (argc, argv)
 
       case 'i':
 	if (!strcmp (argv[i], "-include")) {
+	  int temp = i++;
+
 	  if (i + 1 == argc)
 	    fatal ("Filename missing after `-include' option");
 	  else
-	    simplify_filename (pend_includes[i] = argv[++i]);
+	    simplify_filename (pend_includes[temp] = argv[temp]);
 	}
 	if (!strcmp (argv[i], "-imacros")) {
+	  int temp = i++;
+
 	  if (i + 1 == argc)
 	    fatal ("Filename missing after `-imacros' option");
 	  else
-	    simplify_filename (pend_files[i] = argv[++i]);
+	    simplify_filename (pend_files[temp] = argv[temp]);
 	}
 	if (!strcmp (argv[i], "-iprefix")) {
 	  if (i + 1 == argc)