[llvm] [PowerPC] clean unused PPC target feature FeatureBPERMD (PR #159782)

[Sergei Barannikov via llvm-commits]

s-barannikov wrote:

Then I'm confused. What are those skipped checks near the merge commit that I posted above? Is that just github showing them incorrectly (very weird)?
I just pressed the update button on one of my PRs and it did re-trigger the required Linux/Windows builds...


https://github.com/llvm/llvm-project/pull/159782