re PR c++/87 (member template assignment operator)

re PR c++/87 (member template assignment operator)

cp:
	PR g++/87
	* cp-tree.h (DECL_COPY_CONSTRUCTOR_P): Use copy_fn_p.
	(copy_args_p): Rename to ...
	(copy_fn_p): ... here.
	(grok_special_member_properties): New function.
	(grok_op_properties): Lose VIRTUALP parameter.
	(copy_assignment_arg_p): Remove.
	* call.c (build_over_call): Use copy_fn_p.
	* decl.c (grokfndecl): Reformat. Adjust call to
	grok_op_properties.
	(copy_args_p): Rename to ...
	(copy_fn_p): ... here. Reject template functions. Check for pass
	by value.
	(grok_special_member_properties): Remember special functions.
	(grok_ctor_properties): Don't remember them here, just check.
	(grok_op_properties): Likewise.
	(start_method): Call grok_special_member_properties.
	* decl2.c (grokfield): Likewise.
	(copy_assignment_arg_p): Remove.
	(grok_function_init): Don't remember abstract assignment here.
	* pt.c (instantiate_class_template): Call
	grok_special_member_properties.
	(tsubst_decl): Adjust grok_op_properties call.
testsuite:
	* g++.dg/other/copy1.C: New test.

From-SVN: r47813