# HG changeset patch
# User Brendan Cully <brendan@kublai.com>
# Date 1170634136 28800
# Node ID 40030c1b6bc68cf4c6f37c0eb7efa76af3d58834
# Parent  82eb0fafb56d5767af52ed60cd272311675b547f
lazyindex: handle __delitem__ in loadblock

diff --git a/mercurial/revlog.py b/mercurial/revlog.py
--- a/mercurial/revlog.py
+++ b/mercurial/revlog.py
@@ -146,6 +146,9 @@ class lazyparser(object):
         lend = len(data) / self.s
         i = blockstart / self.s
         off = 0
+        # lazyindex supports __delitem__
+        if lend > len(self.index) - i:
+            lend = len(self.index) - i
         for x in xrange(lend):
             if self.index[i + x] == None:
                 b = data[off : off + self.s]