[clang] [lld] [llvm] [RISCV] Support .note.gnu.property for enable Zicfiss and Zicfilp extension (PR #77414)

[Craig Topper via cfe-commits]

topperc wrote:

> Unless `lld/test/ELF` tests will get a failure, the `lld/` part should ideally be dropped from this PR. This separation is a convention.
> 
> Otherwise (a) with just a `[RISCV]` tag and (b) with many RISCV-specific changes, lld folks (like I) might not notice this patch.

Are you saying that lld changes should be a different PR?

https://github.com/llvm/llvm-project/pull/77414