ext: Upgrade PyBind11 to version 2.1.1

Change-Id: I16870dec402d661295f9d013dc23e362b2b2c169
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/3225
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/ext/pybind11/tests/test_enum.py b/ext/pybind11/tests/test_enum.py
index de5f3c6f6..ba7e22ab0 100644
--- a/ext/pybind11/tests/test_enum.py
+++ b/ext/pybind11/tests/test_enum.py
@@ -7,6 +7,15 @@ def test_unscoped_enum():
     assert str(UnscopedEnum.EOne) == "UnscopedEnum.EOne"
     assert str(UnscopedEnum.ETwo) == "UnscopedEnum.ETwo"
     assert str(EOne) == "UnscopedEnum.EOne"
+    # __members__ property
+    assert UnscopedEnum.__members__ == {"EOne": UnscopedEnum.EOne, "ETwo": UnscopedEnum.ETwo}
+    # __members__ readonly
+    with pytest.raises(AttributeError):
+        UnscopedEnum.__members__ = {}
+    # __members__ returns a copy
+    foo = UnscopedEnum.__members__
+    foo["bar"] = "baz"
+    assert UnscopedEnum.__members__ == {"EOne": UnscopedEnum.EOne, "ETwo": UnscopedEnum.ETwo}
 
     # no TypeError exception for unscoped enum ==/!= int comparisons
     y = UnscopedEnum.ETwo