JSCLASS_RESERVED_SLOTS_WIDTH 1001 extra_lib/include/js/jsapi.h #define JSCLASS_RESERVED_SLOTS_MASK     JS_BITMASK(JSCLASS_RESERVED_SLOTS_WIDTH)
JSCLASS_RESERVED_SLOTS_WIDTH 1009 extra_lib/include/js/jsapi.h                                          JSCLASS_RESERVED_SLOTS_WIDTH)