size = JS_ROUNDUP(size, incr);
GrowSrcNotes(JSContext *cx, JSCodeGenerator *cg){    JSArenaPool *pool;    size_t incr, size;    pool = &cx->notePool;    incr = SNINCR * sizeof(jssrcnote);    size = cg->noteCount * sizeof(jssrcnote);    JS_ARENA_GROW(cg->notes, pool, size, incr);    if (!cg->notes) {	JS_ReportOutOfMemory(cx);	return JS_FALSE;    }    return JS_TRUE;}