Optimiser level 3 bug found (*solved*)

[LCD]

I've been rather busy. :oops: Sorry.
I've fixed that bug in the latest version 1.3.0 s947, but now other code is suboptimal. :x So still needs some work, I guess.

Thanks! Don't worry, I reduced my retro activity after my father died. Hope to get up soon. Will check the new version tomorrow.