[PATCH] D136812: [RISCV] Drop single letter b extension support

[Alex Bradbury via Phabricator via cfe-commits]

asb accepted this revision.
asb added a comment.
This revision is now accepted and ready to land.

LGTM, thanks.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D136812/new/

https://reviews.llvm.org/D136812