https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65223
--- Comment #5 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
The patch
--- ../_clean/gcc/fortran/resolve.c 2015-10-07 02:32:16.000000000 +0200
+++ gcc/fortran/resolve.c 2015-10-10 17:01:17.000000000 +0200
@@ -415,7 +415,7 @@ resolve_formal_arglist (gfc_symbol *proc
}
/* F08:C1278a. */
- if (sym->ts.type == BT_CLASS && sym->attr.intent == INTENT_OUT)
+ if ( !gfc_notification_std (GFC_STD_F2008) && sym->ts.type ==
BT_CLASS && sym->attr.intent == INTENT_OUT)
{
gfc_error ("INTENT(OUT) argument %qs of pure procedure %qs at %L"
" may not be polymorphic", sym->name, proc->name,
allows the code to compile with -std=f2003.