bpo-35177, Python-ast.h: Fix "Yield" compiler warning (GH-10664)
Partially revert commit 5f2df88b63e50d23914e97ec778861a52abdeaad:
add "#undef Yield" to .c files after including Python-ast.h.
Fix the warning:
winbase.h(102): warning C4005: 'Yield': macro redefinition
diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index 1bf822c..2d5dc88 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -11,6 +11,7 @@
#include "Python.h"
#include "Python-ast.h"
+#undef Yield /* undefine macro conflicting with <winbase.h> */
#include "pycore_pystate.h"
#include "grammar.h"
#include "node.h"