Stefan Krah added the comment:
I can reproduce this exclusively with the pgupdate build:
msbuild PCbuild\pcbuild.sln /p:Configuration=PGInstrument /p:Platform=win32
msbuild PCbuild\pcbuild.sln /p:Configuration=PGUpdate /p:Platform=win32
PCbuild\Win32-pgo\python.exe
Python 3.3.0b1 (default, Jul 30 2012, 23:45:42) [MSC v.1600 32 bit (Intel)] on
win32
Type "help", "copyright", "credits" or "license" for more information.
>>> from collections import namedtuple
>>>
>>> foo = namedtuple('foo', '')
>>>
>>> [1] + foo()
>>>
Interpreter exits silently here. So it could be either an optimizer
bug or it's a Python bug exposed by the optimizer making draconian
assumptions at the highest level (c.f. clang exposing overflows).
----------
nosy: +skrah
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue8847>
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