Output ivar length for T_OBJECT in obj_info

Author: peterzhu2118

gc.c

@@ -4841,11 +4841,11 @@ rb_raw_obj_info_buitin_type(char *const buff, const size_t buff_size, const VALU
                         APPEND_F("(too_complex) len:%zu", hash_len);
                     }
                     else {
-                        APPEND_F("(embed) len:%d", ROBJECT_FIELDS_CAPACITY(obj));
+                        APPEND_F("(embed) len:%d capa:%d", RSHAPE_LEN(RBASIC_SHAPE_ID(obj)), ROBJECT_FIELDS_CAPACITY(obj));
                     }
                 }
                 else {
-                    APPEND_F("len:%d ptr:%p", ROBJECT_FIELDS_CAPACITY(obj), (void *)ROBJECT_FIELDS(obj));
+                    APPEND_F("len:%d capa:%d ptr:%p", RSHAPE_LEN(RBASIC_SHAPE_ID(obj)), ROBJECT_FIELDS_CAPACITY(obj), (void *)ROBJECT_FIELDS(obj));
                 }
             }
             break;