[Bug fortran/52668] [4.7 Regression] Incorrect unused warning for USE associating variable in common block

[tkoenig at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52668

--- Comment #4 from Thomas Koenig <tkoenig at gcc dot gnu.org> 2012-04-07 19:58:49 UTC ---
Author: tkoenig
Date: Sat Apr  7 19:58:43 2012
New Revision: 186214

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=186214
Log:
2012-04-07  Thomas Koenig  <tkoenig@gcc.gnu.org>

    PR fortran/52668
    Backport from trunk
    * module.c:  Only mark symbols as use_only if they have been
    imported via an only list.

2012-04-07  Thomas Koenig  <tkoenig@gcc.gnu.org>

    PR fortran/52668
    Backport from trunk
    * gfortran.dg/use_only_6.f90: New test.


Added:
    branches/gcc-4_7-branch/gcc/testsuite/gfortran.dg/use_only_6.f90
Modified:
    branches/gcc-4_7-branch/gcc/fortran/ChangeLog
    branches/gcc-4_7-branch/gcc/fortran/module.c
    branches/gcc-4_7-branch/gcc/testsuite/ChangeLog