re PR c++/33844 (Broken diagnostic: 'dotstar_expr/member_ref' not supported by pp_cxx_unqualified_id)

	PR c++/33844
	* cxx-pretty-print.c (pp_cxx_pm_expression) <case MEMBER_REF>: Print
	->* rather than .*.
	* error.c (dump_expr): Handle MEMBER_REF and DOTSTAR_EXPR.

	* g++.dg/other/ptrmem8.C: New test.

From-SVN: r129682