bpo-42591: Export missing Py_FrozenMain() symbol (GH-23730)
Export the Py_FrozenMain() function: fix a Python 3.9.0 regression.
Python 3.9 uses -fvisibility=hidden and the function was not exported
explicitly and so not exported.
Add also Py_FrozenMain to the stable ABI on Windows.
diff --git a/PC/python3dll.c b/PC/python3dll.c
index 27cc315..9eb81e3 100644
--- a/PC/python3dll.c
+++ b/PC/python3dll.c
@@ -49,6 +49,7 @@ EXPORT_FUNC(Py_Exit)
EXPORT_FUNC(Py_FatalError)
EXPORT_FUNC(Py_Finalize)
EXPORT_FUNC(Py_FinalizeEx)
+EXPORT_FUNC(Py_FrozenMain)
EXPORT_FUNC(Py_GenericAlias)
EXPORT_FUNC(Py_GenericAliasType)
EXPORT_FUNC(Py_GetArgcArgv)