Dirk Eddelbuettel

Which one did you try? `openxlsx` may be the smaller of the two.

We were just talking to @JanMarvin the other day in another issue so let's call him. I am sure he heard from CRAN too ... Any insight from your end?

@JanMarvin Whoops. My bad. @kevinushey We do it some places (vector/Subsetter.h) and it might be hard to do it "universally" :-/

@tdhock You could consider doing what I just did: [reducing the test surface by not running the tests offending UBSAN](https://github.com/eddelbuettel/nanotime/pull/127).

This can be closed now. The issues appear to all be addressed based on checking a bit over half the packages listed. Should this, or a related issue arise this...