Properly filter types using the initial map from HAllocate.

src/ast.h

Index: src/ast.h
diff --git a/src/ast.h b/src/ast.h
index d0454fb059271912518ead496d6d95c01507e46c..91b4b5f38b8eb9c1e8275b06176f2cf53bacc024 100644
--- a/src/ast.h
+++ b/src/ast.h
@@ -288,6 +288,14 @@ class SmallMapList V8_FINAL {
     Add(map, zone);
   }
 
+  void FilterForPossibleTransitions(Map* root_map, Zone* zone) {

[Michael Starzinger, 2013/09/05 20:07:23]

The "zone" parameter is obsolete, as we only remove elements with this method
and don't add new ones.

[Toon Verwaest, 2013/09/06 09:23:12]

Done.

+    for (int i = list_.length() - 1; i >= 0; i--) {
+      if (at(i)->FindRootMap() != root_map) {
+        list_.RemoveElement(list_.at(i));
+      }
+    }
+  }
+
   void Add(Handle<Map> handle, Zone* zone) {
     list_.Add(handle.location(), zone);
   }