RISC-V LLVM sync-up call 10 December 2020

For background on these calls, see

Reminder: the purpose is to co-ordinate between active contributors.
If you have support questions etc then it's best to post to llvm-dev.

We have a call every alternate Thursday at 4pm GMT, via

We have a shared calendar which may help in keeping track, which is
accessible at:
* <https://calendar.google.com/calendar/b/1?cid=bG93cmlzYy5vcmdfMG41cGtlc2ZqY25wMGJoNWhwczFwMGJkODBAZ3JvdXAuY2FsZW5kYXIuZ29vZ2xlLmNvbQ>
* <https://calendar.google.com/calendar/ical/lowrisc.org_0n5pkesfjcnp0bh5hps1p0bd80%40group.calendar.google.com/public/basic.ics>

Topics to discuss today include the following:
* Introducing Michael Munday
* 11.0.1 status
* addrspacecast in RISC-V (Fraser)
* Types for RISC-V V builtins <https://reviews.llvm.org/D92715>
* Fixed length vectors in RVV <https://reviews.llvm.org/D91638>
* Target-independent compiler barrier <https://reviews.llvm.org/D92842>
* Jump table lowering - codesize concerns? <https://reviews.llvm.org/D92097>
* Ongoing sanitizers work
* RISC-V Summit reports
* Any other business?
* Next call: 7th Jan 2021 (call won't take place on 24th December)