Make new Harmony constructors subclassing-friendly

src/runtime.h

Index: src/runtime.h
diff --git a/src/runtime.h b/src/runtime.h
index c9530f4a8c3fe67bf9b03a6254b42022f3ae8b1c..b5e4f1b1cc0b66e5fe0c6c146b381a0d2215e2f2 100644
--- a/src/runtime.h
+++ b/src/runtime.h
@@ -327,6 +327,7 @@ namespace internal {
   \
   /* Harmony sets */ \
   F(SetInitialize, 1, 1) \
+  F(SetClear, 1, 1) \
   F(SetAdd, 2, 1) \
   F(SetHas, 2, 1) \
   F(SetDelete, 2, 1) \
@@ -334,6 +335,7 @@ namespace internal {
   \
   /* Harmony maps */ \
   F(MapInitialize, 1, 1) \
+  F(MapClear, 1, 1) \
   F(MapGet, 2, 1) \
   F(MapHas, 2, 1) \
   F(MapDelete, 2, 1) \
@@ -341,7 +343,9 @@ namespace internal {
   F(MapGetSize, 1, 1) \
   \
   /* Harmony weak maps and sets */ \
-  F(WeakCollectionInitialize, 1, 1) \
+  F(WeakMapInitialize, 1, 1) \
+  F(WeakSetInitialize, 1, 1) \
+  F(WeakCollectionClear, 1, 1) \
   F(WeakCollectionGet, 2, 1) \
   F(WeakCollectionHas, 2, 1) \
   F(WeakCollectionDelete, 2, 1) \