symbol.c (gfc_copy_formal_args_ppc): Free previous formal arg list before overwriting it.

2010-10-06  Mikael Morin  <mikael@gcc.gnu.org>

	* symbol.c (gfc_copy_formal_args_ppc): Free previous formal arg list
	before overwriting it.

From-SVN: r165040

gcc/fortran/ChangeLog

 2010-10-06  Mikael Morin  <mikael@gcc.gnu.org>
 
+	* symbol.c (gfc_copy_formal_args_ppc): Free previous formal arg list
+	before overwriting it.
+
+2010-10-06  Mikael Morin  <mikael@gcc.gnu.org>
+
 	* array.c (gfc_match_array_spec): Don't re-initialize cleared struct.
 	* symbol.c (gen_shape_param): Ditto.
 

gcc/fortran/symbol.c

@@ -4203,6 +4203,7 @@ gfc_copy_formal_args_ppc (gfc_component *dest, gfc_symbol *src)
     }
 
   /* Add the interface to the symbol.  */
+  gfc_free_formal_arglist (dest->formal);
   dest->formal = head;
   dest->attr.if_source = IFSRC_DECL;