--- Python-3.5.5/Modules/_ctypes/libffi/src/x86/ffi.c	2018-02-04 18:40:56.000000000 -0500
+++ Python-3.5.5_works/Modules/_ctypes/libffi/src/x86/ffi.c	2018-03-12 22:15:11.799276891 -0400
@@ -673,6 +673,7 @@
                            &ffi_closure_SYSV,
                            (void*)codeloc);
     }
+#ifdef X86_WIN32
   else if (cif->abi == FFI_FASTCALL)
     {
       FFI_INIT_TRAMPOLINE_STDCALL (&closure->tramp[0],
@@ -691,7 +692,6 @@
                                    &ffi_closure_STDCALL,
                                    (void*)codeloc);
     }
-#ifdef X86_WIN32
   else if (cif->abi == FFI_MS_CDECL)
     {
       FFI_INIT_TRAMPOLINE (&closure->tramp[0],