[pypy-commit] pypy remove-globals-in-jit: Add a sanity check.

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: remove-globals-in-jit
Changeset: r59238:f892171caf43
Date: 2012-12-02 14:08 -0800
http://bitbucket.org/pypy/pypy/changeset/f892171caf43/

Log:	Add a 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])