message: Darwin: mark test unsupported while we sort out how to make it generic.
  This test relies on communicating with debugserver via an unnamed (pre-opened)
  pipe, but macOS's version of debugserver doesn't seem to support that mode of
  operation. So disable the test for now.
diff: -# UNSUPPORTED: windows
  +# UNSUPPORTED: windows, darwin
  #
  # RUN: %cc -o %t %p/inputs/main.c -g
  # RUN: python %p/inputs/target-select-so-path.py "%debugserver" "%lldbmi %t" %s
  