message: [CMake] Pass library path with --inferior-env
  CMake was incorrectly passing `--env` to dotest.py to set the
  (DY)LD_LIBRARY_PATH. The correct way to do this is through the
  `--inferior-env` flag.
diff: @@ -32,7 +32,10 @@ if(LLDB_TEST_SWIFT)
  set(SWIFT_TEST_ARGS
  --swift-compiler ${LLDB_SWIFTC}
  --swift-library ${LLDB_SWIFT_LIBS}
  - --env "DYLD_LIBRARY_PATH=\\\"${LLDB_SWIFT_LIBS}\\\" LD_LIBRARY_PATH=\\\"${LLDB_SWIFT_LIBS}\\\" SIMCTL_CHILD_DYLD_LIBRARY_PATH=\\\"${LLDB_SWIFT_LIBS}\\\"")
  + --inferior-env "DYLD_LIBRARY_PATH=\\\"${LLDB_SWIFT_LIBS}\\\""
  + --inferior-env "LD_LIBRARY_PATH=\\\"${LLDB_SWIFT_LIBS}\\\""
  + --inferior-env "SIMCTL_CHILD_DYLD_LIBRARY_PATH=\\\"${LLDB_SWIFT_LIBS}\\\""
  + )
  endif()
  # END - Swift Mods
  