[Bug fortran/38432] Add warning for loops which are never executed

[burnus at gcc dot gnu dot org]

------- Comment #3 from burnus at gcc dot gnu dot org  2009-03-28 13:06 -------
Subject: Bug 38432

Author: burnus
Date: Sat Mar 28 13:06:30 2009
New Revision: 145186

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=145186
Log:
2009-03-28  Tobias Burnus  <burnus@net-b.de>

        PR fortran/38432
        * resolve.c (gfc_resolve_iterator): Add zero-loop warning.

2009-03-28  Tobias Burnus  <burnus@net-b.de>

        PR fortran/38432
        * gfortran.dg/do_check_5.f90: New test.
        * gfortran.dg/array_constructor_11.f90: Add dg-warning.
        * gfortran.dg/array_constructor_18.f90: Ditto.
        * gfortran.dg/array_constructor_22.f90: Ditto.
        * gfortran.dg/do_3.F90: Ditto.
        * gfortran.dg/do_1.f90: Ditto.


Added:
    trunk/gcc/testsuite/gfortran.dg/do_check_5.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/resolve.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gfortran.dg/array_constructor_11.f90
    trunk/gcc/testsuite/gfortran.dg/array_constructor_18.f90
    trunk/gcc/testsuite/gfortran.dg/array_constructor_22.f90
    trunk/gcc/testsuite/gfortran.dg/do_1.f90
    trunk/gcc/testsuite/gfortran.dg/do_3.F90


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38432