re PR fortran/26682 (gfortran fails with -fwhole-program optimization)

	PR fortran/26682

	* options.c (gfc_post_options): Issue an error when
	-fwhole-program is used.

	* doc/invoke.texi (-fwhole-program): Document that Fortran
	doesn't support this option.

From-SVN: r128977

gcc/ChangeLog

+2007-10-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
+
+	PR fortran/26682
+	* doc/invoke.texi (-fwhole-program): Document that Fortran
+	doesn't support this option.
+
 2007-10-02  Richard Sandiford  <rsandifo@nildram.co.uk>
 
 	PR middle-end/33617

gcc/doc/invoke.texi

@@ -6147,6 +6147,7 @@ programs consisting of single file, in combination with option
 programs since the functions and variables become local for the whole combined
 compilation unit, not for the single source file itself.
 
+This option is not supported for Fortran programs.
 
 @item -fno-cprop-registers
 @opindex fno-cprop-registers

gcc/fortran/ChangeLog

+2007-10-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
+
+	PR fortran/26682
+	* options.c (gfc_post_options): Issue an error when
+	-fwhole-program is used.
+
 2007-10-02  Paul Thomas  <pault@gcc.gnu.org>
 
 	PR fortran/33542

gcc/fortran/options.c

@@ -211,6 +211,10 @@ gfc_post_options (const char **pfilename)
   char *source_path;
   int i;
 
+  /* Issue an error if -fwhole-program was used.  */
+  if (flag_whole_program)
+    gfc_fatal_error ("Option -fwhole-program is not supported for Fortran");
+
   /* Verify the input file name.  */
   if (!filename || strcmp (filename, "-") == 0)
     {