gcc/
	* tree.h (build_function_type_array): Declare.
	(build_varargs_function_type_array): Declare.
	(build_function_type_vec, build_varargs_function_type_vec): Define.
	* tree.c (build_function_type_array_1): New function.
	(build_function_type_array): New function.
	(build_varargs_function_type_array): New function.

gcc/fortran/
	* trans-decl.c (build_library_function_decl_1): Call
	build_function_type_vec.  Adjust argument list building accordingly.
	* trans-intrinsic.c (gfc_get_intrinsic_lib_fndecl): Likewise.
	* trans-types.c (gfc_get_function_type): Likewise.

From-SVN: r173375