[clang] [clang-repl] Skip out-of-process execution due to compiler-rt path mismatch (PR #176198)

[Rainer Orth via cfe-commits]

rorth wrote:

I'm not a LLVM developer first an foremost, but just happen to run the Solaris buildbots and avoid regressions.  If the code needs to be improved to properly handle this, that's not my job.  I have way more important responsibilies.

https://github.com/llvm/llvm-project/pull/176198