[Bug fortran/43207] [OOP] invalid pointer assignment => type%parent

[janus at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43207



--- Comment #10 from janus at gcc dot gnu.org 2012-11-07 22:26:18 UTC ---

Here is a draft patch which rejects comment #1:



Index: gcc/fortran/primary.c

===================================================================

--- gcc/fortran/primary.c    (revision 193296)

+++ gcc/fortran/primary.c    (working copy)

@@ -2104,6 +2104,13 @@ check_substring:

     }

     }



+  /* F03:C611.  */

+  if (primary->ts.type == BT_DERIVED && primary->ts.u.derived->attr.abstract)

+    {

+      gfc_error ("Nonpolymorphic reference to abstract type at %C");

+      return MATCH_ERROR;

+    }

+

   /* F2008, C727.  */

   if (primary->expr_type == EXPR_PPC && gfc_is_coindexed (primary))

     {