Please, try this:
Space Lua | Lua 5.4.x
-|-
${ 1/ 0 == 1/ 0 } | `true`
${ 1/ 0 == -1/ 0 } | `false`
${ 1/ 0 == 1/-0 } | `true`
${ 1/ 0 == -1/-0 } | `false`
${ -1/ 0 == 1/ 0 } | `false`
${ -1/ 0 == -1/ 0 } | `true`
${ -1/ 0 == 1/-0 } | `false`
${ -1/ 0 == -1/-0 } | `true`
${ 1/-0 == 1/ 0 } | `true`
${ 1/-0 == -1/ 0 } | `false`
${ 1/-0 == 1/-0 } | `true`
${ 1/-0 == -1/-0 } | `false`
${ -1/-0 == 1/ 0 } | `false`
${ -1/-0 == -1/ 0 } | `true`
${ -1/-0 == 1/-0 } | `false`
${ -1/-0 == -1/-0 } | `true`
Should I fill issue for it?