[Bug fortran/33221] Cannot declare variables of TYPE without components

["fxcoudert at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #4 from fxcoudert at gcc dot gnu dot org  2007-09-20 22:03 -------
Subject: Bug 33221

Author: fxcoudert
Date: Thu Sep 20 22:03:22 2007
New Revision: 128633

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=128633
Log:
        PR fortran/33221

        * gfortran.h (symbol_attribute): Add zero_comp field.
        * symbol.c (gfc_use_derived): Handle case of emtpy derived types.
        * decl.c (gfc_match_data_decl): Likewise.
        (gfc_match_derived_decl): Likewise.
        * module.c (ab_attribute, attr_bits): Add AB_ZERO_COMP member.
        (mio_symbol_attribute): Write and read AB_ZERO_COMP.
        * resolve.c (resolve_symbol): Handle case of emtpy derived types.
        * parse.c (parse_derived): Likewise.

        * gfortran.dg/used_types_18.f90: Declare variable of empty
        derived type.

Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/decl.c
    trunk/gcc/fortran/gfortran.h
    trunk/gcc/fortran/module.c
    trunk/gcc/fortran/parse.c
    trunk/gcc/fortran/resolve.c
    trunk/gcc/fortran/symbol.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gfortran.dg/used_types_18.f90


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33221