- fix an occasional crash in the JIT that ends in `RPython Fatal error:
-- `id(x)` is now always a positive number (ex
pect on int/float/long/complex).
+- `id(x)` is now always a positive number (ext on int/float/long/complex).
This fixes an issue in ``_sqlite.py`` (mostly for 32-bit Linux).
- fix crashes of callback-from-C-functions (with cffi) when used together