Re: Lua 5.3: assert non-string values in #2 cause `(no error message)`-style error message

[Roberto Ierusalimschy <roberto@...>]

> You could add
> 
>         msg = lua_tostring(L, -1);
>         if (msg)
>           luaL_traceback(L, L, msg, 1);
> 
> after the `lua_pushliteral` call in `msghandler`. (I'd prefer it
> that `msghandler` leaves all to-string conversions to the `report`
> function, though.)

When 'report' is called, there is no stack left to do a traceback.

-- Roberto