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bpo-45340: Don't create object dictionaries unless actually needed (GH-28802)

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* Never change types' cached keys. It could invalidate inline attribute objects.

* Lazily create object dictionaries.

* Update specialization of LOAD/STORE_ATTR.

* Don't update shared keys version for deletion of value.

* Update gdb support to handle instance values.

* Rename SPLIT_KEYS opcodes to INSTANCE_VALUE.
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Mark Shannon 2021-10-13 14:19:34 +01:00 • committed by GitHub
parent 97308dfcdc
commit a8b9350964
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18 changed files with 721 additions and 400 deletions
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Include/object.h
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@ -333,6 +333,7 @@ given type object has a specified feature.
*/
#ifndef Py_LIMITED_API
/* Set if instances of the type object are treated as sequences for pattern matching */
#define Py_TPFLAGS_SEQUENCE (1 << 5)
/* Set if instances of the type object are treated as mappings for pattern matching */