Implement target cache for constructor calls.

src/builtins.h

Index: src/builtins.h
diff --git a/src/builtins.h b/src/builtins.h
index 3659f99126d4f2e6ca64edbc76e54c8fcbe0f869..fa257585df658583deeba8d9d1c6d4a4a8c717ea 100644
--- a/src/builtins.h
+++ b/src/builtins.h
@@ -66,8 +66,6 @@ enum BuiltinExtraArguments {
 #define BUILTIN_LIST_A(V)                                               \
   V(ArgumentsAdaptorTrampoline,     BUILTIN, UNINITIALIZED,             \
                                     Code::kNoExtraICState)              \
-  V(JSConstructCall,                BUILTIN, UNINITIALIZED,             \
-                                    Code::kNoExtraICState)              \
   V(JSConstructStubCountdown,       BUILTIN, UNINITIALIZED,             \
                                     Code::kNoExtraICState)              \
   V(JSConstructStubGeneric,         BUILTIN, UNINITIALIZED,             \
@@ -343,7 +341,6 @@ class Builtins {
   static void Generate_Adaptor(MacroAssembler* masm,
                                CFunctionId id,
                                BuiltinExtraArguments extra_args);
-  static void Generate_JSConstructCall(MacroAssembler* masm);
   static void Generate_JSConstructStubCountdown(MacroAssembler* masm);
   static void Generate_JSConstructStubGeneric(MacroAssembler* masm);
   static void Generate_JSConstructStubApi(MacroAssembler* masm);