message: Disable setround_test for optimized builds with Clang / LLVM.
  LLVM does not support <cfenv> (llvm.org/PR8100).
diff: @@ -18,6 +18,10 @@ limitations under the License.
  #include <cmath>
  #include "tensorflow/core/platform/test.h"
  +// LLVM does not support <cfenv>. Disable these tests when building with it.
  +// See b/35384639 for more information.
  +#if !defined(__clang__) || !defined(__OPTIMIZE__)
  +
  namespace tensorflow {
  namespace {
  @@ -94,3 +98,5 @@ TEST(SetScopedSetRound, Scoped) {
  } // namespace
  } // namespace tensorflow
  +
  +#endif // !defined(__clang__) || !defined(__OPTIMIZE__)
  