[compiler-rt] [compiler-rt] Also consider SIGPROF as a synchronous signal (PR #85188)

[Tom Weaver via llvm-commits]

cHackz18 wrote:

Hello there! I believe this change may have caused the following build bot to start failing, are you able to take a look?

https://lab.llvm.org/buildbot/#/builders/247/builds/15279

https://github.com/llvm/llvm-project/pull/85188