Re: Issue with bit shift in Lua 5.4 Work releases

[Roberto Ierusalimschy <roberto@...>]

> The following three lines runs without errors in Lua 5.3.
> 
> local foo = 13.37
> local bar = foo // 1
> type( bar <<  8 )
> 
> The shift on the third line fails with Lua 5.4 with the following error:
> "number (local 'bar') has no integer representation".
> 
> It still fails with the error "attempt to perform bitwise operation on a nil
> value (local 'bar')" when 'bar' is explicit converted to an integer.
> 
> local foo = 13.37
> local bar = math.tointeger( foo // 1 )
> type( bar <<  8 )
> 
> Is this a bug or did I use the wrong method?

It is a (stupid) bug, but not in bit shift:

> foo = 13.37
> print(foo // 1)     --> 13.7

-- Roberto