[clang] [clang-tools-extra] [compiler-rt] [lld] [llvm] [NFC] Fix tests with invalid RUN directives (PR #179668)

[Orlando Cazalet-Hyams via llvm-commits]

https://github.com/OCHyams commented:

The clang/test/DebugInfo/KeyInstructions/flag.cpp change LGTM, thanks for checking.

https://github.com/llvm/llvm-project/pull/179668