GLOBAL_METHOD_CACHE   23 vm_method.c    #define GLOBAL_METHOD_CACHE(c,m) (global_method_cache.entries + GLOBAL_METHOD_CACHE_KEY(c,m))
GLOBAL_METHOD_CACHE   25 vm_method.c    #define GLOBAL_METHOD_CACHE(c,m) (rb_bug("global method cache disabled improperly"), NULL)