[m-rev.] diff: convert optimization options to help structures

[Zoltan Somogyi]

This should not need review.

Zoltan.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Log.opt9
Type: application/octet-stream
Size: 161 bytes
Desc: not available
URL: <http://lists.mercurylang.org/archives/reviews/attachments/20250526/d3d9e887/attachment-0002.obj>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: DIFF.opt9
Type: application/octet-stream
Size: 58038 bytes
Desc: not available
URL: <http://lists.mercurylang.org/archives/reviews/attachments/20250526/d3d9e887/attachment-0003.obj>