RVALUE_MARKING   1280 gc.c               return RVALUE_MARKED(obj) && !RVALUE_MARKING(obj);
RVALUE_MARKING   1287 gc.c               return RVALUE_MARKED(obj) && RVALUE_MARKING(obj);
RVALUE_MARKING   1782 gc.c               assert(RVALUE_MARKING(obj) == FALSE);
RVALUE_MARKING   2124 gc.c           	CHECK(RVALUE_MARKING);
RVALUE_MARKING   4264 gc.c           			if (!RVALUE_MARKING(obj)) {
RVALUE_MARKING   4289 gc.c               if (RVALUE_MARKING(obj) == TRUE) rb_bug("gc_grey: %s is marking/remembered.", obj_info(obj));
RVALUE_MARKING   4308 gc.c               assert(RVALUE_MARKING(obj) == FALSE);
RVALUE_MARKING   4590 gc.c           	    if (RGENGC_CHECK_MODE && !RVALUE_MARKING(obj)) {