From: Robert Bradshaw <robertwb@math.washington.edu>
Date: Wed, 24 Oct 2007 07:14:26 +0000 (-0700)
Subject: Decref error in except clause
X-Git-Tag: 0.9.6.14~29^2~115
X-Git-Url: http://git.tremily.us/gitweb.cgi?a=commitdiff_plain;h=bc0844d150b4166e5edb510f1c58b3b422471ac4;p=cython.git

Decref error in except clause

Temporary variables must be set to zero or they might be XDECREF'ed later, generating very hard to track bugs.
---

diff --git a/Cython/Compiler/Nodes.py b/Cython/Compiler/Nodes.py
index ba54027b..515ed394 100644
--- a/Cython/Compiler/Nodes.py
+++ b/Cython/Compiler/Nodes.py
@@ -2589,7 +2589,7 @@ class ExceptClauseNode(Node):
         self.body.generate_execution_code(code)
         code.exc_vars = old_exc_vars
         for var in self.exc_vars:
-            code.putln("Py_DECREF(%s);" % var)
+            code.putln("Py_DECREF(%s); %s = 0;" % (var, var))
         code.put_goto(end_label)
         code.putln(
             "}")