Optimize non-mutation Map and Set operations for String keys

src/runtime/runtime.h

Index: src/runtime/runtime.h
diff --git a/src/runtime/runtime.h b/src/runtime/runtime.h
index 481cf4392054a8f772f6afd9970aa0f3a3138c45..398f42b5c17e5b88cf91f04dbd1ac0c762af58dd 100644
--- a/src/runtime/runtime.h
+++ b/src/runtime/runtime.h
@@ -304,10 +304,8 @@ namespace internal {
   /* Harmony sets */                                   \
   F(SetInitialize, 1, 1)                               \
   F(SetAdd, 2, 1)                                      \
-  F(SetHas, 2, 1)                                      \
   F(SetDelete, 2, 1)                                   \
   F(SetClear, 1, 1)                                    \
-  F(SetGetSize, 1, 1)                                  \
                                                        \
   F(SetIteratorInitialize, 3, 1)                       \
   F(SetIteratorClone, 1, 1)                            \
@@ -316,12 +314,9 @@ namespace internal {
                                                        \
   /* Harmony maps */                                   \
   F(MapInitialize, 1, 1)                               \
-  F(MapGet, 2, 1)                                      \
-  F(MapHas, 2, 1)                                      \
   F(MapDelete, 2, 1)                                   \
   F(MapClear, 1, 1)                                    \
   F(MapSet, 3, 1)                                      \
-  F(MapGetSize, 1, 1)                                  \
                                                        \
   F(MapIteratorInitialize, 3, 1)                       \
   F(MapIteratorClone, 1, 1)                            \
@@ -730,7 +725,13 @@ namespace internal {
   F(DoubleHi, 1, 1)                       \
   F(DoubleLo, 1, 1)                       \
   F(MathSqrtRT, 1, 1)                     \
-  F(MathLogRT, 1, 1)
+  F(MathLogRT, 1, 1)                      \
+  /* ES6 Collections */                   \
+  F(MapGet, 2, 1)                         \
+  F(MapGetSize, 1, 1)                     \
+  F(MapHas, 2, 1)                         \
+  F(SetGetSize, 1, 1)                     \
+  F(SetHas, 2, 1)
 
 
 //---------------------------------------------------------------------------