From: Stefan Behnel <stefan_ml@behnel.de>
Date: Sun, 8 Dec 2013 14:12:55 +0000 (+0100)
Subject: fix compiler crash
X-Git-Tag: 0.20b1~131
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a6b0a201ce190b42ef856f6f7904cbcb099985ca;p=platform%2Fupstream%2Fpython-cython.git

fix compiler crash
---

diff --git a/Cython/Compiler/Optimize.py b/Cython/Compiler/Optimize.py
index b558657..7164863 100644
--- a/Cython/Compiler/Optimize.py
+++ b/Cython/Compiler/Optimize.py
@@ -3394,6 +3394,9 @@ class ConstantFolding(Visitor.VisitorTransform, SkipDeclarations):
 
     def visit_ExprStatNode(self, node):
         self.visitchildren(node)
+        if not isinstance(node.expr, ExprNodes.ExprNode):
+            # ParallelRangeTransform does this ...
+            return node
         # drop unused constant expressions
         if node.expr.has_constant_result():
             return None