[C++ Patch, obvious?] Rename warn_args_num

[Paolo Carlini]

Hi,

given that the current warn_args_num only outputs errors, never 
warnings, I think we really want to rename it. Unless it's the wrong 
time for such changes...?!?

Thanks,
Paolo.

///////////////////////
2015-07-09  Paolo Carlini  <paolo.carl...@oracle.com>

        * typeck.c (warn_args_num): Rename to error_args_num.
        (convert_arguments): Adjust calls.
Index: typeck.c
===================================================================
--- typeck.c    (revision 225556)
+++ typeck.c    (working copy)
@@ -62,7 +62,7 @@ static void casts_away_constness_r (tree *, tree *
 static bool casts_away_constness (tree, tree, tsubst_flags_t);
 static bool maybe_warn_about_returning_address_of_local (tree);
 static tree lookup_destructor (tree, tree, tree, tsubst_flags_t);
-static void warn_args_num (location_t, tree, bool);
+static void error_args_num (location_t, tree, bool);
 static int convert_arguments (tree, vec<tree, va_gc> **, tree, int,
                               tsubst_flags_t);
 
@@ -3559,10 +3559,10 @@ cp_build_function_call_vec (tree function, vec<tre
 }
 
 /* Subroutine of convert_arguments.
-   Warn about wrong number of args are genereted. */
+   Print an error message about a wrong number of arguments.  */
 
 static void
-warn_args_num (location_t loc, tree fndecl, bool too_many_p)
+error_args_num (location_t loc, tree fndecl, bool too_many_p)
 {
   if (fndecl)
     {
@@ -3645,7 +3645,7 @@ convert_arguments (tree typelist, vec<tree, va_gc>
        {
           if (complain & tf_error)
             {
-             warn_args_num (input_location, fndecl, /*too_many_p=*/true);
+             error_args_num (input_location, fndecl, /*too_many_p=*/true);
               return i;
             }
           else
@@ -3749,7 +3749,7 @@ convert_arguments (tree typelist, vec<tree, va_gc>
       else
        {
           if (complain & tf_error)
-           warn_args_num (input_location, fndecl, /*too_many_p=*/false);
+           error_args_num (input_location, fndecl, /*too_many_p=*/false);
          return -1;
        }
     }