[m-rev.] for post-commit review: check for du types at the top

[Zoltan Somogyi]

For review by Peter.

Zoltan.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Log.cl
Type: text/x-opencl-src
Size: 381 bytes
Desc: not available
URL: <http://lists.mercurylang.org/archives/reviews/attachments/20260721/459e404f/attachment.bin>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: DIFF.cl
Type: text/x-opencl-src
Size: 15102 bytes
Desc: not available
URL: <http://lists.mercurylang.org/archives/reviews/attachments/20260721/459e404f/attachment-0001.bin>