[pypy-commit] pypy default: add a question

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: 
Changeset: r79779:c17cdaf706dd
Date: 2015-09-22 22:41 +0200
http://bitbucket.org/pypy/pypy/changeset/c17cdaf706dd/

Log:	add a question

diff --git a/rpython/jit/backend/llsupport/descr.py b/rpython/jit/backend/llsupport/descr.py
--- a/rpython/jit/backend/llsupport/descr.py
+++ b/rpython/jit/backend/llsupport/descr.py
@@ -83,6 +83,8 @@
                               immutable_flag=immutable_flag)
         gccache.init_size_descr(STRUCT, sizedescr)
         cache[STRUCT] = sizedescr
+        # XXX do we really need gc_fielddescrs if we also have
+        # all_fielddescrs and can ask is_pointer_field() on them?
         gc_fielddescrs = heaptracker.gc_fielddescrs(gccache, STRUCT)
         sizedescr.gc_fielddescrs = gc_fielddescrs
         all_fielddescrs = heaptracker.all_fielddescrs(gccache, STRUCT)