[pypy-commit] pypy default: Add an XXX comment

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: 
Changeset: r68829:cdeeb9213ba3
Date: 2014-01-21 18:20 +0100
http://bitbucket.org/pypy/pypy/changeset/cdeeb9213ba3/

Log:	Add an XXX comment

diff --git a/rpython/jit/metainterp/heapcache.py b/rpython/jit/metainterp/heapcache.py
--- a/rpython/jit/metainterp/heapcache.py
+++ b/rpython/jit/metainterp/heapcache.py
@@ -196,6 +196,9 @@
                                 del boxes[box]
                 return
 
+        # XXX when is it useful to clear() the complete dictionaries?
+        # isn't it enough in all cases to do the same as the two
+        # loops just above?
         self.heap_cache.clear()
         self.heap_array_cache.clear()