Author: Maciej Fijalkowski <[email protected]>
Branch: optresult
Changeset: r76182:3a7e61ab764a
Date: 2015-02-27 18:41 +0200
http://bitbucket.org/pypy/pypy/changeset/3a7e61ab764a/

Log:    minor fix

diff --git a/rpython/jit/metainterp/optimizeopt/info.py 
b/rpython/jit/metainterp/optimizeopt/info.py
--- a/rpython/jit/metainterp/optimizeopt/info.py
+++ b/rpython/jit/metainterp/optimizeopt/info.py
@@ -70,6 +70,8 @@
         self._const = const
 
     def get_known_class(self, cpu):
+        if not self._const.nonnull():
+            return None
         return cpu.ts.cls_of_box(self._const)
     
 class XPtrOptInfo(AbstractInfo):
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