re PR fortran/49623 (Segfault of "gfortran -L" if no argument follows the "-L")

	PR fortran/49623
	* gfortranspec.c (lang_specific_driver): Ignore options with
	CL_ERR_MISSING_ARG errors.

From-SVN: r175830

gcc/fortran/ChangeLog

+2011-07-04  Jakub Jelinek  <jakub@redhat.com>
+
+	PR fortran/49623
+	* gfortranspec.c (lang_specific_driver): Ignore options with
+	CL_ERR_MISSING_ARG errors.
+
 2011-07-02  Janus Weil  <janus@gcc.gnu.org>
 
 	PR fortran/49562

gcc/fortran/gfortranspec.c

@@ -255,6 +255,9 @@ lang_specific_driver (struct cl_decoded_option **in_decoded_options,
 
   for (i = 1; i < argc; ++i)
     {
+      if (decoded_options[i].errors & CL_ERR_MISSING_ARG)
+	continue;
+
       switch (decoded_options[i].opt_index)
 	{
 	case OPT_SPECIAL_input_file: