Fix PR c++/48838

gcc/cp

	PR c++/48838
	* cp-tree.h (non_static_member_function_p): Declare new function.
	* tree.c (non_static_member_function_p): Define it.
	* semantics.c (finish_call_expr): Use it.

gcc/testsuite

	PR c++/48838
	* g++.dg/template/member9.C: New test case.

From-SVN: r173473