* Store lists as lists of pointers to values rather than as lists of

  values.  This improves sharing and gives another speed up.
  Evaluation of the NixOS system attribute is now almost 7 times
  faster than the old evaluator.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/libexpr/attr-path.cc b/src/libexpr/attr-path.cc
index b53837781573..769acb6b8c0f 100644
--- a/src/libexpr/attr-path.cc
+++ b/src/libexpr/attr-path.cc
@@ -61,7 +61,7 @@ void findAlongAttrPath(EvalState & state, const string & attrPath,
             if (attrIndex >= v.list.length)
                 throw Error(format("list index %1% in selection path `%2%' is out of range") % attrIndex % curPath);
 
-            v = v.list.elems[attrIndex];
+            v = *v.list.elems[attrIndex];
         }
         
     }