re PR fortran/81770 (Bogus warning: Pointer in pointer assignment might outlive the pointer target)

2017-08-28  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/81770
	* expr.c (gfc_check_pointer_assign): Improve the check whether pointer
	may outlive pointer target.


2017-08-28  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/81770
	* gfortran.dg/warn_target_lifetime_3.f90: Fix a typo.
	* gfortran.dg/warn_target_lifetime_4.f90: New testcase.

From-SVN: r251390