PR c++/48449
	* typeck2.c (build_functional_cast): Check complain consistently.
	Use build_value_init and abstract_virtuals_error_sfinae.
	(abstract_virtuals_error_sfinae): Split out.
	* cp-tree.h: Declare it.
	* init.c (build_new_1): Use it.
	(build_value_init_noctor): Handle FUNCTION_TYPE.

From-SVN: r172141