Add premonomorphic store ICs.

src/builtins.cc

Index: src/builtins.cc
diff --git a/src/builtins.cc b/src/builtins.cc
index fea503b015e51e20fe226a603b3a21d7e44db2de..7118121d8791c404d6abdc5b92a4071ec42e7df0 100644
--- a/src/builtins.cc
+++ b/src/builtins.cc
@@ -1461,6 +1461,16 @@ static void Generate_StoreIC_Initialize_Strict(MacroAssembler* masm) {
 }
 
 
+static void Generate_StoreIC_PreMonomorphic(MacroAssembler* masm) {
+  StoreIC::GeneratePreMonomorphic(masm);
+}
+
+
+static void Generate_StoreIC_PreMonomorphic_Strict(MacroAssembler* masm) {
+  StoreIC::GeneratePreMonomorphic(masm);
+}
+
+
 static void Generate_StoreIC_Miss(MacroAssembler* masm) {
   StoreIC::GenerateMiss(masm);
 }
@@ -1546,6 +1556,16 @@ static void Generate_KeyedStoreIC_Initialize_Strict(MacroAssembler* masm) {
 }
 
 
+static void Generate_KeyedStoreIC_PreMonomorphic(MacroAssembler* masm) {
+  KeyedStoreIC::GeneratePreMonomorphic(masm);
+}
+
+
+static void Generate_KeyedStoreIC_PreMonomorphic_Strict(MacroAssembler* masm) {
+  KeyedStoreIC::GeneratePreMonomorphic(masm);
+}
+
+
 static void Generate_KeyedStoreIC_NonStrictArguments(MacroAssembler* masm) {
   KeyedStoreIC::GenerateNonStrictArguments(masm);
 }