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Issue #12149: Update the method cache after a type's dictionnary gets

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cleared by the garbage collector.  This fixes a segfault when an instance
and its type get caught in a reference cycle, and the instance's
deallocator calls one of the methods on the type (e.g. when subclassing
IOBase).

Diagnosis and patch by Davide Rizzo.
This commit is contained in:
Antoine Pitrou 2011-07-12 21:57:15 +02:00
parent b3593cada2
commit 84f1b1718d
4 changed files with 27 additions and 1 deletions
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1
Misc/ACKS
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@ -736,6 +736,7 @@ Armin Rigo
Nicholas Riley
Jean-Claude Rimbault
Juan M. Bello Rivas
Davide Rizzo
Anthony Roach
Mark Roberts
Jim Robinson

6
Misc/NEWS
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@ -10,6 +10,12 @@ What's New in Python 3.2.2?
Core and Builtins
-----------------
- Issue #12149: Update the method cache after a type's dictionnary gets
cleared by the garbage collector. This fixes a segfault when an instance
and its type get caught in a reference cycle, and the instance's
deallocator calls one of the methods on the type (e.g. when subclassing
IOBase). Diagnosis and patch by Davide Rizzo.
- Issue #9611, #9015: FileIO.read() clamps the length to INT_MAX on Windows.
- When a generator yields, do not retain the caller's exception state on the