[llvm] [third-party][cmake] Check compile result first then run result in the try_run function call (NFC) (PR #154177)

[Mircea Trofin via llvm-commits]

mtrofin wrote:

> [google/benchmark#2036](https://github.com/google/benchmark/issues/2036) is fixed now. Is there a process to request a refresh from https://github.com/google/benchmark?

You can either cherry-pick it (which is this, IIUC), or look at `third_party/benchmark/update_benchmark.sh` and run that to get a full refresh.

https://github.com/llvm/llvm-project/pull/154177