[Bug fortran/51218] [4.6/4.7 Regression] Potential optimization bug due to implicit_pure?

[burnus at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51218

--- Comment #21 from Tobias Burnus <burnus at gcc dot gnu.org> 2011-11-24 
17:57:45 UTC ---
Author: burnus
Date: Thu Nov 24 17:57:41 2011
New Revision: 181698

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181698
Log:
2011-11-24  Tobias Burnus  <bur...@net-b.de>

        PR fortran/51218
        * resolve.c (pure_subroutine): If called subroutine is
        impure, unset implicit_pure.
        (resolve_function): Move impure check to simplify code.

2011-11-24  Tobias Burnus  <bur...@net-b.de>

        PR fortran/51218
        * gfortran.dg/implicit_pure_1.f90: New.


Added:
    trunk/gcc/testsuite/gfortran.dg/implicit_pure_1.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/resolve.c
    trunk/gcc/testsuite/ChangeLog