[Bug fortran/41580] [OOP] SAME_TYPE_AS and EXTENDS_TYPE_OF - add compile-time simplifcation

[burnus at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41580

--- Comment #8 from Tobias Burnus <burnus at gcc dot gnu.org> 2011-01-07 16:19:34 UTC ---
Author: burnus
Date: Fri Jan  7 16:19:29 2011
New Revision: 168579

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=168579
Log:
2011-01-07  Tobias Burnus  <burnus@net-b.de>

        PR fortran/41580
        * class.c (gfc_build_class_symbol): Mark __vtab as attr.vtab.
        * intrinsic.c (add_functions): Use simplify functions for
        EXTENDS_TYPE_OF and SAME_TYPE_AS.
        * intrinsic.h (gfc_simplify_extends_type_of,
        gfc_simplify_same_type_as): New prototypes.
        * simplify.c (is_last_ref_vtab, gfc_simplify_extends_type_of,
        gfc_simplify_same_type_as): New functions.

2011-01-07  Tobias Burnus  <burnus@net-b.de>

        PR fortran/41580
        * gfortran.dg/extends_type_of_3.f90: New.


Added:
    trunk/gcc/testsuite/gfortran.dg/extends_type_of_3.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/intrinsic.c
    trunk/gcc/fortran/intrinsic.h
    trunk/gcc/fortran/simplify.c
    trunk/gcc/testsuite/ChangeLog