Issue #24381: Avoid unused function warning when building bundled macOS libffi.

Patch by Vajrasky Kok.

diff --git a/Modules/_ctypes/libffi_osx/ffi.c b/Modules/_ctypes/libffi_osx/ffi.c
index bf420936dbd235eb93062e957433ee688caafe52..8cd2a78be6f407c3f410de67958eaf46b6643c12 100644 (file)
--- a/Modules/_ctypes/libffi_osx/ffi.c
+++ b/Modules/_ctypes/libffi_osx/ffi.c
@@ -101,7 +101,7 @@ initialize_aggregate(
 /* Perform machine independent ffi_cif preparation, then call
    machine dependent routine. */
 
-#if defined(X86_DARWIN)
+#if defined(X86_DARWIN) && !defined __x86_64__
 
 static inline bool
 struct_on_stack(
@@ -124,7 +124,7 @@ struct_on_stack(
        }
 }
 
-#endif // defined(X86_DARWIN)
+#endif // defined(X86_DARWIN) && !defined __x86_64__
 
 // Arguments' ffi_type->alignment must be nonzero.
 ffi_status