re PR fortran/24790 (arguments are displayed as reference or pointer to normal type in GDB)

	PR fortran/24790
	* trans-decl.c (create_function_arglist): Set DECL_BY_REFERENCE on
	PARM_DECLs with pointer or reference type.

From-SVN: r139777

gcc/fortran/ChangeLog

 2008-08-29  Jakub Jelinek  <jakub@redhat.com>
 
+	PR fortran/24790
+	* trans-decl.c (create_function_arglist): Set DECL_BY_REFERENCE on
+	PARM_DECLs with pointer or reference type.
+
 	* trans-decl.c (gfc_build_qualified_array): Build non-flat
 	array type for debug info purposes.
 

gcc/fortran/trans-decl.c

@@ -1644,6 +1644,10 @@ create_function_arglist (gfc_symbol * sym)
       DECL_ARG_TYPE (parm) = TREE_VALUE (typelist);
       /* All implementation args are read-only.  */
       TREE_READONLY (parm) = 1;
+      if (POINTER_TYPE_P (type)
+	  && (!f->sym->attr.proc_pointer
+	      && f->sym->attr.flavor != FL_PROCEDURE))
+	DECL_BY_REFERENCE (parm) = 1;
 
       gfc_finish_decl (parm);