2012-08-20 Tobias Burnus <burnus@net-b.de>
PR fortran/54301
* expr.c (gfc_check_pointer_assign): Warn when the pointer
might outlive its target.
* gfortran.h (struct gfc_option_t): Add warn_target_lifetime.
* options.c (gfc_init_options, set_wall, gfc_handle_option):
handle it.
* invoke.texi (-Wtarget-lifetime): Document it.
(-Wall): Implied it.
* lang.opt (-Wtarget-lifetime): New flag.
2012-08-20 Tobias Burnus <burnus@net-b.de>
PR fortran/54301
* gfortran.dg/warn_target_lifetime_1.f90: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@190522 138bc75d-0d04-0410-961f-82ee72b054a4