From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   15d801334e53..640e1c693814  main       -> origin/main
Switched to branch 'main'
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  (use "git pull" to update your local branch)
HEAD is now at 640e1c693814 [RISCV][P-ext] Remove riscv_pmulh(u)intrinsics. (#227846)