message: Skip test with older versions of clang
  This was failing for the bots that build with older clangs:
diff: @@ -15,6 +15,7 @@ class TestTailCallFrameSBAPI(TestBase):
  # each debug info format.
  NO_DEBUG_INFO_TESTCASE = True
  + @skipIf(compiler="clang", compiler_version=['<', '7.0'])
  @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr26265")
  def test_tail_call_frame_sbapi(self):
  self.build()
  