message: Re-enable TestRegisterVariables (sync with upstream)
diff: @@ -99,13 +99,10 @@ class RegisterVariableTestCase(TestBase):
  mydir = TestBase.compute_mydir(__file__)
  @expectedFailureAll(compiler="clang", compiler_version=['<', '3.5'])
  - @expectedFailureAll(compiler="clang", archs=["i386"])
  @expectedFailureAll(compiler="gcc", compiler_version=[
  '>=', '4.8.2'], archs=["i386"])
  @expectedFailureAll(compiler="gcc", compiler_version=[
  '<', '4.9'], archs=["x86_64"])
  - @expectedFailureAll(oslist=["linux"], bugnumber="bugs.swift.org/SR-2140")
  - @expectedFailureAll(oslist=["macosx"], bugnumber="rdar://28983120")
  def test_and_run_command(self):
  """Test expressions on register values."""
  