PR c++/21614
	* typeck.c (get_member_function_from_ptrfunc): Do not attempt
	conversions to base classes of incomplete types.

	PR c++/21614
	* g++.dg/expr/ptrmem6.C: New test.
	* g++.dg/expr/ptrmem6a.C: Likewise.

From-SVN: r100291