Merged revisions 85088 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r85088 | victor.stinner | 2010-09-29 03:24:59 +0200 (mer., 29 sept. 2010) | 4 lines

  linecache.updatecache() returns an empty list on error

  lines variable was not set on IOError
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diff --git a/Lib/linecache.py b/Lib/linecache.py
index ef2adf5..f0bb83d 100644
--- a/Lib/linecache.py
+++ b/Lib/linecache.py
@@ -128,7 +128,7 @@
         with open(fullname, 'r', encoding=coding) as fp:
             lines = fp.readlines()
     except IOError:
-        pass
+        lines = []
     if lines and not lines[-1].endswith('\n'):
         lines[-1] += '\n'
     size, mtime = stat.st_size, stat.st_mtime