[PATCH] D73891: [RISCV] Support experimental/unratified extensions

[Simon Cook via Phabricator via cfe-commits]

simoncook updated this revision to Diff 242286.
simoncook added a comment.

Switch to using `Optional` for returning version numbers.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D73891/new/

https://reviews.llvm.org/D73891

Files:
  clang/include/clang/Driver/Options.td
  clang/lib/Driver/ToolChains/Arch/RISCV.cpp
  clang/test/Driver/riscv-arch.c

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D73891.242286.patch
Type: text/x-patch
Size: 8560 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20200204/fa3b6f83/attachment.bin>