[compiler-rt] [compiler-rt] Avoid generating coredumps when piped to a tool (PR #83701)

[Alexander Richardson via llvm-commits]

arichardson wrote:

Thanks for the suggestions. Will address shortly and will add more comments explaining this behaviour and that it's needed to avoid overloading the system (at least for Debian due to an incorrect systemd-coredumpd patch).

https://github.com/llvm/llvm-project/pull/83701