[clang] [Clang-Repl] Adds custom lambda in launchExecutor and PID retrieval (PR #152562)

[Abhinav Kumar via cfe-commits]

kr-2003 wrote:

> As I've explained, this is not a Solaris issue but one that will affect all non-macOS non-Linux/x86_64 targets.

yeah. i actually meant to say that i will skip these tests for all non-macos and no-linux targets.

https://github.com/llvm/llvm-project/pull/152562