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#3663: extra DECREF on syntax errors.

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Patch by Amaury Forgeot d'Arc, reviewed by Benjamin Peterson.
This commit is contained in:
Antoine Pitrou 2008-08-26 22:02:58 +00:00
parent 2b9e040091
commit e2dffc0aeb
2 changed files with 6 additions and 1 deletions
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2
Misc/NEWS
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@ -12,6 +12,8 @@ What's New in Python 3.0 release candidate 1
Core and Builtins Core and Builtins
----------------- -----------------
- Issue #3663: Py_None was decref'd when printing SyntaxErrors.
- Issue #3657: Fix uninitialized memory read when pickling longs. - Issue #3657: Fix uninitialized memory read when pickling longs.
Found by valgrind. Found by valgrind.

5
Python/pythonrun.c
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@ -1242,7 +1242,10 @@ PyErr_PrintEx(int set_sys_last_vars)
if (exception == NULL) if (exception == NULL)
return; return;
PyErr_NormalizeException(&exception, &v, &tb); PyErr_NormalizeException(&exception, &v, &tb);
tb = tb ? tb : Py_None; if (tb == NULL) {
tb = Py_None;
Py_INCREF(tb);
}
PyException_SetTraceback(v, tb); PyException_SetTraceback(v, tb);
if (exception == NULL) if (exception == NULL)
return; return;