[Bug fortran/21918] Warnings about unused variables should point to the declaration

["tobi at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Additional Comments From tobi at gcc dot gnu dot org  2005-06-23 20:47 -------
We have a declared_at field in gfc_symbol, with this, this is easily fixed.  
Index: trans-decl.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/fortran/trans-decl.c,v
retrieving revision 1.61
diff -u -p -r1.61 trans-decl.c
--- trans-decl.c        11 Jun 2005 22:29:17 -0000      1.61
+++ trans-decl.c        23 Jun 2005 20:44:39 -0000
@@ -2222,12 +2222,14 @@ generate_local_decl (gfc_symbol * sym)
       if (sym->attr.referenced)
         gfc_get_symbol_decl (sym);
       else if (sym->attr.dummy && warn_unused_parameter)
-            warning (0, "unused parameter %qs", sym->name);
+            gfc_warning ("Unused parameter %s declared at %L", sym->name,
+                        sym->declared_at);
       /* Warn for unused variables, but not if they're inside a common
         block or are use-associated.  */
       else if (warn_unused_variable
               && !(sym->attr.in_common || sym->attr.use_assoc))
-       warning (0, "unused variable %qs", sym->name);
+       gfc_warning ("unused variable %s declared at %L", sym->name,
+                    sym->declared_at);
     }
 }



-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |tobi at gcc dot gnu dot org
                   |dot org                     |
             Status|NEW                         |ASSIGNED
   Last reconfirmed|2005-06-05 06:39:21         |2005-06-23 20:47:57
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21918