Age code to allow reclaiming old unexecuted functions

src/heap.h

Index: src/heap.h
diff --git a/src/heap.h b/src/heap.h
index 90d0797454558d2ce676fa75e4a84db0a8d7a5be..86a9dc6e7da668974881cff80b16647283e9a490 100644
--- a/src/heap.h
+++ b/src/heap.h
@@ -1546,6 +1546,10 @@ class Heap {
            old_pointer_space()->IsSweepingComplete();
   }
 
+  MarkingParity marking_parity() {

[Michael Starzinger, 2012/09/21 09:43:19]

We shouldn't expose the current parity through the Heap object, because the
parity only makes sense while marking is in progress. Also see my comments in
mark-compact.cc and objects.cc about that.

[danno, 2012/10/25 10:07:23]

Done.

+    return mark_compact_collector_.marking_parity();
+  }
+
   bool AdvanceSweepers(int step_size) {
     bool sweeping_complete = old_data_space()->AdvanceSweeper(step_size);
     sweeping_complete &= old_pointer_space()->AdvanceSweeper(step_size);