diff -r 640b807dcce0 -r 6331a0c310db mercurial/util.py
--- a/mercurial/util.py	Wed Oct 14 12:23:49 2015 +0200
+++ b/mercurial/util.py	Tue Oct 13 16:05:30 2015 -0700
@@ -963,7 +963,7 @@
     """
     try:
         return st[stat.ST_MTIME]
-    except TypeError:
+    except (TypeError, IndexError):
         # osutil.stat doesn't allow index access and its st_mtime is int
         return st.st_mtime