#define error_operand_p(NODE) \
((NODE) == error_mark_node \
|| ((NODE) && TREE_TYPE ((NODE)) == error_mark_node))
-
-/* INTERFACE_ONLY nonzero means that we are in an "interface"
- section of the compiler. INTERFACE_UNKNOWN nonzero means
- we cannot trust the value of INTERFACE_ONLY. If INTERFACE_UNKNOWN
- is zero and INTERFACE_ONLY is zero, it means that we are responsible
- for exporting definitions that others might need. */
-extern int interface_only, interface_unknown;
\f
/* C++ language-specific tree codes. */
#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM,