message: XFail TestNoreturnUnwind for arm targets
  TestNoreturnUnwind fails on arm/aarch32 linux targets.
  Bug is already described for x86_64 android targets in llvm.org/pr31192.
diff: @@ -18,6 +18,7 @@ class NoreturnUnwind(TestBase):
  @skipIfWindows # clang-cl does not support gcc style attributes.
  @expectedFailureAndroid(bugnumber="llvm.org/pr31192", archs=["x86_64"])
  + @expectedFailureAll(bugnumber="llvm.org/pr31192", oslist=['linux'], compiler="gcc", archs=['arm'])
  def test(self):
  """Test that we can backtrace correctly with 'noreturn' functions on the stack"""
  self.build()
  