diff options
| author | Mark Shannon <mark@hotpy.org> | 2021-08-16 11:21:34 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-08-16 11:21:34 (GMT) |
| commit | 1a511dc92dd10ee8fc2e5da9f52f795924bdc89a (patch) | |
| tree | c98500f27aebb8cb371389d767f8eecd4ab17d0c /Misc | |
| parent | 62bc716fde20fcb7b47416c7959be9e66df93212 (diff) | |
| download | cpython-1a511dc92dd10ee8fc2e5da9f52f795924bdc89a.zip cpython-1a511dc92dd10ee8fc2e5da9f52f795924bdc89a.tar.gz cpython-1a511dc92dd10ee8fc2e5da9f52f795924bdc89a.tar.bz2 | |
bpo-44914: Maintain invariants of type version tags. (GH-27773)
* Do not invalidate type versions unnecessarily.
Diffstat (limited to 'Misc')
| -rw-r--r-- | Misc/NEWS.d/next/Core and Builtins/2021-08-16-11-36-02.bpo-44914.6Lgrx3.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Misc/NEWS.d/next/Core and Builtins/2021-08-16-11-36-02.bpo-44914.6Lgrx3.rst b/Misc/NEWS.d/next/Core and Builtins/2021-08-16-11-36-02.bpo-44914.6Lgrx3.rst new file mode 100644 index 0000000..5e306ff --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2021-08-16-11-36-02.bpo-44914.6Lgrx3.rst @@ -0,0 +1,5 @@ +Class version tags are no longer recycled. + +This means that a version tag serves as a unique identifier for the state of +a class. We rely on this for effective specialization of the LOAD_ATTR and +other instructions. |