[Bug fortran/33950] Warning missing for function result not set

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

------- Comment #2 from dfranke at gcc dot gnu dot org  2008-02-28 20:23 -------
Subject: Bug 33950

Author: dfranke
Date: Thu Feb 28 20:22:55 2008
New Revision: 132756

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=132756
Log:
gcc/fortran:
2008-02-28  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/31463
        PR fortran/33950
        PR fortran/34296
        * lang.opt: Added -Wreturn-type.
        * options.c (gfc_handle_option): Recognize -Wreturn-type.
        * trans-decl.c (gfc_trans_deferred_vars): Emit warnings for funtions
        where the result value is not set.
        (gfc_generate_function_code): Likewise.
        (generate_local_decl): Emit warnings for funtions whose RESULT
        variable is not set.

gcc/testsuite:
2008-02-28  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/31463
        PR fortran/33950
        PR fortran/34296
        * gfortran.dg/arrayio_11.f90: Fixed test.
        * gfortran.dg/arrayio_12.f90: Likewise.
        * gfortran.dg/module_read_1.f90: Added warning-directives.
        * gfortran.dg/pr32242.f90: Likewise.
        * gfortran.dg/result_in_spec_3.f90: Likewise.
        * gfortran.dg/use_12.f90: Likewise.
        * gfortran.dg/warn_function_without_result.f90 : New test.


Added:
    trunk/gcc/testsuite/gfortran.dg/warn_function_without_result.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/lang.opt
    trunk/gcc/fortran/options.c
    trunk/gcc/fortran/trans-decl.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gfortran.dg/arrayio_11.f90
    trunk/gcc/testsuite/gfortran.dg/arrayio_12.f90
    trunk/gcc/testsuite/gfortran.dg/module_read_1.f90
    trunk/gcc/testsuite/gfortran.dg/pr32242.f90
    trunk/gcc/testsuite/gfortran.dg/result_in_spec_3.f90
    trunk/gcc/testsuite/gfortran.dg/use_12.f90


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33950