[Bug fortran/31259] ICE on elemental character function

["burnus at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>]

------- Comment #3 from burnus at gcc dot gnu dot org  2007-07-24 13:28 -------
The following patch works for the original example; it also works in principle
for the additional example, but there the error message is printed three times.

Index: gcc/fortran/expr.c
===================================================================
--- gcc/fortran/expr.c  (revision 126873)
+++ gcc/fortran/expr.c  (working copy)
@@ -2397,6 +2397,15 @@
          break;
        }

+      if (sym->attr.dummy && sym->ns->proc_name != NULL
+         && sym->ns->proc_name->attr.elemental)
+       {
+         gfc_error ("Dummy argument '%s' of elemental function '%s' "
+                    "cannot appear in a specification expression at %L",
+                    sym->name, sym->ns->proc_name->name, &e->where);
+         break;
+       }
+
       /* gfc_is_formal_arg broadcasts that a formal argument list is being
         processed in resolve.c(resolve_formal_arglist).  This is done so
         that host associated dummy array indices are accepted (PR23446).
Index: gcc/fortran/resolve.c
===================================================================
--- gcc/fortran/resolve.c       (revision 126873)
+++ gcc/fortran/resolve.c       (working copy)
@@ -3771,7 +3779,7 @@
          if (!seen)
            {
              if (specification_expr)
-               gfc_error ("Variable '%s',used in a specification expression, "
+               gfc_error ("Variable '%s', used in a specification expression,
"
                           "is referenced at %L before the ENTRY statement "
                           "in which it is a parameter",
                           sym->name, &cs_base->current->loc);


-- 

burnus at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |burnus at gcc dot gnu dot
                   |                            |org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31259