STATIC_ID2SYM     414 symbol.c           VALUE sym = STATIC_ID2SYM(id);
STATIC_ID2SYM     728 symbol.c           if (!DYNAMIC_ID_P(x)) return STATIC_ID2SYM(x);
STATIC_ID2SYM      23 symbol.h       			    STATIC_ID2SYM(id) : rb_id2sym(id))