Fix case where we treat an unaliased call to eval as an aliased call...

src/scopes.cc

Index: src/scopes.cc
===================================================================
--- src/scopes.cc	(revision 3220)
+++ src/scopes.cc	(working copy)
@@ -598,9 +598,11 @@
   if (inner_lookup)
     var->is_accessed_from_inner_scope_ = true;
 
-  // If the variable we have found is just a guess, invalidate the result.
+  // If the variable we have found is just a guess, invalidate the
+  // result. If the found variable is local, record that fact so we
+  // can generate fast code to get it if it is not shadowed by eval.
   if (guess) {
-    *invalidated_local = var;
+    if (!var->is_global()) *invalidated_local = var;
     var = NULL;
   }