[clang] [OpenMP] target-fast implies teams/threads oversubscription (PR #205775)

[Nicole Aschenbrenner via cfe-commits]

nicebert wrote:

> Is that a duplicate of PR 212181 or extension? Sorry for being dumb, but i'm on the phone right fb t now.

It's not :) it's the Clang equivalent although Clang already had the two flags you added in the PR, just changed the default from false to use target fast :)

https://github.com/llvm/llvm-project/pull/205775