Mark __unorddf2 tests as failures for arm64.

Clang generates calls to this, but we don't actually have support for
it.

Test: ./run_tests.py --suite libc++ --abi arm64-v8a --skip-run
Bug: android/ndk#294
Change-Id: Idf9ee0638c65e6df83b66e1121bf76b1c6ace001

tests/libc++/test/std/numerics/complex_number/complex_member_ops/test_config.py

@@ -0,0 +1,4 @@
+def build_broken(abi, api, toolchain, name):
+    if abi == 'arm64-v8a' and name == 'divide_equal_complex.pass':
+        return abi, 'https://github.com/android-ndk/ndk/issues/294'
+    return None, None

tests/libc++/test/std/numerics/complex_number/complex_ops/test_config.py

@@ -0,0 +1,8 @@
+def build_broken(abi, api, toolchain, name):
+    broken_tests = (
+        'complex_divide_complex.pass',
+        'scalar_divide_complex.pass',
+    )
+    if abi == 'arm64-v8a' and name in broken_tests:
+        return abi, 'https://github.com/android-ndk/ndk/issues/294'
+    return None, None

tests/libc++/test/std/numerics/complex_number/complex_transcendentals/test_config.py

@@ -0,0 +1,4 @@
+def build_broken(abi, api, toolchain, name):
+    if abi == 'arm64-v8a' and name in ('atan.pass', 'atanh.pass'):
+        return abi, 'https://github.com/android-ndk/ndk/issues/294'
+    return None, None

tests/libc++/test/std/numerics/complex_number/test_config.py

@@ -0,0 +1,4 @@
+def build_broken(abi, api, toolchain, name):
+    if abi == 'arm64-v8a' and name == 'divide_equal_complex.pass':
+        return abi, 'https://github.com/android-ndk/ndk/issues/294'
+    return None, None