[clang] [libc] [llvm] [AMDGPU] Use COV6 by default (PR #118515)

[Jon Chesterfield via llvm-commits]

JonChesterfield wrote:

Do we document what rocm version introduces support for a given code object number anywhere?

I've run into this because Debian's latest and greatest version is 6.1, https://packages.debian.org/sid/libhsa-runtime-dev, which does not know what v6 is. Or at least refuses to run objects with that number in the header.

https://github.com/llvm/llvm-project/pull/118515