Re: An assertion is triggered in the luaG_runerror()

> an assertion is triggered on execution of a Lua chunk below:
> 
> ./lua -e "
> > local obj = setmetatable({}, {
>   __index = function(l, ...)
>         local _ = l > 1
>   end
> })
> obj:method();
> > "
> lua: ldebug.c:865: void luaG_runerror(lua_State *, const char *, ...): 
> Assertion `(((((&((ci)->func.p)->val)))->tt_) == (((((6) | ((0) << 4))) | 
> (1 << 6))))' failed.
> Aborted (core dumped)

Thanks for the feedback. Indeed, the commit 36c1f6d was wrong:
Although OP_VARARGPREP does not need to be preceded by an "OT"
instruction (it is never preceded by any instruction), it does need
a correct L->top to work properly. (The comment in lopcodes.h:420
is misleading.)

-- Roberto

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