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)