forked from boostorg/container
		
	Fixed error in void assign(FwdIt first, FwdIt last) when fwd expansion occurs, capacity was not being updated. Optimized erasure when the type has_trivial_destructor_after_move. Simplified a bit backwards expansion code. Optimized priv_uninitialized_construct_at_end calling memmove-aware functions instead of using a hand-written loop