deque.tcc (deque<>::_M_assign_aux): Cast to void to ensure overloaded comma not used.

deque.tcc (deque<>::_M_assign_aux): Cast to void to ensure overloaded comma not used.

2018-05-02  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
	ensure overloaded comma not used.
	* include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
	* include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
	* include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
	* testsuite/23_containers/deque/modifiers/assign/1.cc: New.
	* testsuite/23_containers/list/modifiers/assign/1.cc: New.
	* testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
	* testsuite/23_containers/vector/modifiers/assign/1.cc: New.

From-SVN: r259856