- /* In a FUNCTION_DECL for which DECL_BUILT_IN holds, this is
- DECL_FUNCTION_CODE. Otherwise unused.
- ??? The bitfield needs to be able to hold all target function
- codes as well. */
- ENUM_BITFIELD(built_in_function) function_code : 12;
- ENUM_BITFIELD(built_in_class) built_in_class : 2;