From: Stefan Behnel <scoder@users.berlios.de>
Date: Thu, 12 Jun 2008 14:41:41 +0000 (+0200)
Subject: resolved strict aliasing problem by changing type cast
X-Git-Tag: 0.9.8.1~137^2~1
X-Git-Url: http://git.tremily.us/gitweb.cgi?a=commitdiff_plain;h=9a61d2962aed5eccd288d1b78f0f2402b2b2096d;p=cython.git

resolved strict aliasing problem by changing type cast
---

diff --git a/Cython/Compiler/ModuleNode.py b/Cython/Compiler/ModuleNode.py
index 40e31ca9..1bc6f3fe 100644
--- a/Cython/Compiler/ModuleNode.py
+++ b/Cython/Compiler/ModuleNode.py
@@ -821,10 +821,13 @@ class ModuleNode(Nodes.Node, Nodes.BlockNode):
         #if need_self_cast:
         #	self.generate_self_cast(scope, code)
         if type.vtabslot_cname:
-            code.putln("*(struct %s **)&p->%s = %s;" % (
-                type.vtabstruct_cname,
+            if base_type:
+                struct_type_cast = "(struct %s*)" % base_type.vtabstruct_cname
+            else:
+                struct_type_cast = ""
+            code.putln("p->%s = %s%s;" % (
                 type.vtabslot_cname,
-                type.vtabptr_cname))
+                struct_type_cast, type.vtabptr_cname))
         for entry in py_attrs:
             if entry.name == "__weakref__":
                 code.putln("p->%s = 0;" % entry.cname)