Enum private attributes are not enum members #12320

Job	Run time
Test mypyc suite with 32-bit Python	8m 2s
Test mypyc suite with 32-bit Python	8m 2s
Test suite with py38-ubuntu, mypyc-compiled	19m 24s
Test suite with py38-ubuntu, mypyc-compiled	19m 24s
Test suite with py38-windows-64	26m 26s
Test suite with py38-windows-64	26m 26s
Test suite with py39-ubuntu	18m 8s
Test suite with py39-ubuntu	18m 8s
Test suite with py310-ubuntu	17m 51s
Test suite with py310-ubuntu	17m 51s
Test suite with py311-ubuntu, mypyc-compiled	17m 33s
Test suite with py311-ubuntu, mypyc-compiled	17m 33s
Test suite with py312-ubuntu, mypyc-compiled	19m 52s
Test suite with py312-ubuntu, mypyc-compiled	19m 52s
mypyc runtime tests with py39-macos	15s
mypyc runtime tests with py39-macos	13s
mypyc runtime tests with py38-debug-build-ubuntu	5m 17s
mypyc runtime tests with py38-debug-build-ubuntu	5m 17s
Type check our own code (py38-ubuntu)	1m 47s
Type check our own code (py38-ubuntu)	1m 47s
Type check our own code (py38-windows-64)	2m 39s
Type check our own code (py38-windows-64)	2m 39s
Formatting and code style with Black + ruff	38s
Formatting and code style with Black + ruff	38s
	4h 35m 42s

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