Add internal member to MIR_func.
@@ -281,6 +281,7 @@ typedef struct MIR_func {
VARR (MIR_var_t) * vars; /* args and locals but temps */
void *machine_code; /* address of generated machine code or NULL */
void *call_addr; /* address to call the function, it can be the same as machine_code */
+ void *internal; /* internal data structure */
} * MIR_func_t;
typedef struct MIR_proto {
