re PR fortran/70696 ([Coarray] ICE on EVENT POST of host-associated EVENT_TYPE coarray)

gcc/testsuite/ChangeLog:

2017-01-13  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/70696
	* gfortran.dg/coarray/event_3.f08: New test.

gcc/fortran/ChangeLog:

2017-01-13  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/70696
	* trans-expr.c (gfc_get_tree_for_caf_expr): Ensure the backend_decl
	is valid before accessing it.

libgfortran/ChangeLog:

2017-01-13  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/70696
	* caf/single.c (_gfortran_caf_register): Allocate enough memory for
	the event counter.

From-SVN: r244407