Author: Armin Rigo <[email protected]>
Branch: 
Changeset: r59767:16cf9cdeaae2
Date: 2013-01-05 19:54 +0100
http://bitbucket.org/pypy/pypy/changeset/16cf9cdeaae2/

Log:    An additional sanity check.

diff --git a/pypy/jit/metainterp/resume.py b/pypy/jit/metainterp/resume.py
--- a/pypy/jit/metainterp/resume.py
+++ b/pypy/jit/metainterp/resume.py
@@ -1085,6 +1085,9 @@
     def consume_virtualref_info(self, vrefinfo, numb, end):
         # we have to decode a list of references containing pairs
         # [..., virtual, vref, ...]  stopping at 'end'
+        if vrefinfo is None:
+            assert end == 0
+            return
         assert (end & 1) == 0
         for i in range(0, end, 2):
             virtual = self.decode_ref(numb.nums[i])
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