Optimize add/set/delete operations for string keys in Maps and Sets

src/runtime/runtime.h

Index: src/runtime/runtime.h
diff --git a/src/runtime/runtime.h b/src/runtime/runtime.h
index 9355fafd107bc85baacf84f679b394cbad5ed260..8cc2db1c710d0e49bb5b32d7a36bd470fdb50d25 100644
--- a/src/runtime/runtime.h
+++ b/src/runtime/runtime.h
@@ -301,8 +301,6 @@ namespace internal {
                                                        \
   /* Harmony sets */                                   \
   F(SetInitialize, 1, 1)                               \
-  F(SetAdd, 2, 1)                                      \
-  F(SetDelete, 2, 1)                                   \
   F(SetClear, 1, 1)                                    \
                                                        \
   F(SetIteratorInitialize, 3, 1)                       \
@@ -312,9 +310,7 @@ namespace internal {
                                                        \
   /* Harmony maps */                                   \
   F(MapInitialize, 1, 1)                               \
-  F(MapDelete, 2, 1)                                   \
   F(MapClear, 1, 1)                                    \
-  F(MapSet, 3, 1)                                      \
                                                        \
   F(MapIteratorInitialize, 3, 1)                       \
   F(MapIteratorClone, 1, 1)                            \
@@ -726,9 +722,13 @@ namespace internal {
   F(MathSqrtRT, 1, 1)                     \
   F(MathLogRT, 1, 1)                      \
   /* ES6 Collections */                   \
+  F(MapDelete, 2, 1)                      \
   F(MapGet, 2, 1)                         \
   F(MapGetSize, 1, 1)                     \
   F(MapHas, 2, 1)                         \
+  F(MapSet, 3, 1)                         \
+  F(SetAdd, 2, 1)                         \
+  F(SetDelete, 2, 1)                      \
   F(SetGetSize, 1, 1)                     \
   F(SetHas, 2, 1)                         \
   /* Arrays */                            \