cp:
	PR c++/10158
	* parser.c (cp_parser_function_definition): Set
	DECL_INITIALIZED_IN_CLASS for members.
	* pt.c (instantiate_decl): Only reduce the template args for
	friends that are not defined in class.
testsuite:
	PR c++/10158
	* g++.dg/template/friend18.C: New test.

From-SVN: r64920