172     if (!ttisnil(gval(gnode(t, i)))) {  /* a non-nil value? */  in luaH_next()
174       setobj2s(L, key+1, gval(gnode(t, i)));  in luaH_next()
253     if (!ttisnil(gval(n))) {  in numusehash()
289       setnilvalue(gval(n));  in setnodevector()
319     if (!ttisnil(gval(old)))  in resize()
320       setobjt2t(L, luaH_set(L, t, key2tval(old)), gval(old));  in resize()
401   if (!ttisnil(gval(mp)) || mp == dummynode) {  in newkey()
416       setnilvalue(gval(mp));  in newkey()
427   lua_assert(ttisnil(gval(mp)));  in newkey()
428   return gval(mp);  in newkey()
444         return gval(n);  /* that's it */  in luaH_getnum()
459       return gval(n);  /* that's it */  in luaH_getstr()
485           return gval(n);  /* that's it */  in luaH_get()