Fix the bitfield test when _ctypes is compiled with MingW. Structures
containing bitfields may have different layout on MSVC and MingW .
diff --git a/Modules/_ctypes/cfield.c b/Modules/_ctypes/cfield.c
index 68fac67..c5895f0 100644
--- a/Modules/_ctypes/cfield.c
+++ b/Modules/_ctypes/cfield.c
@@ -65,10 +65,10 @@
}
if (bitsize /* this is a bitfield request */
&& *pfield_size /* we have a bitfield open */
-#ifdef MS_WIN32
+#if defined(MS_WIN32) && !defined(__MINGW32__)
&& dict->size * 8 == *pfield_size /* MSVC */
#else
- && dict->size * 8 <= *pfield_size /* GCC */
+ && dict->size * 8 <= *pfield_size /* GCC, MINGW */
#endif
&& (*pbitofs + bitsize) <= *pfield_size) {
/* continue bit field */