Encapsulate megamorphic load/tail-call in hydrogen

src/ic/ic-compiler.cc

Index: src/ic/ic-compiler.cc
diff --git a/src/ic/ic-compiler.cc b/src/ic/ic-compiler.cc
index fb6906ce3b90b1e51d9876e47be344a33be2a4f1..b28fe499a53018d5324d73ebf1927f4a5ff72167 100644
--- a/src/ic/ic-compiler.cc
+++ b/src/ic/ic-compiler.cc
@@ -178,8 +178,6 @@ Handle<Code> PropertyICCompiler::ComputeLoad(Isolate* isolate,
     code = compiler.CompileLoadInitialize(flags);
   } else if (ic_state == PREMONOMORPHIC) {
     code = compiler.CompileLoadPreMonomorphic(flags);
-  } else if (ic_state == MEGAMORPHIC) {
-    code = compiler.CompileLoadMegamorphic(flags);
   } else {
     UNREACHABLE();
   }
@@ -320,14 +318,6 @@ Handle<Code> PropertyICCompiler::CompileLoadPreMonomorphic(Code::Flags flags) {
 }
 
 
-Handle<Code> PropertyICCompiler::CompileLoadMegamorphic(Code::Flags flags) {
-  LoadIC::GenerateMegamorphic(masm());
-  Handle<Code> code = GetCodeWithFlags(flags, "CompileLoadMegamorphic");
-  PROFILE(isolate(), CodeCreateEvent(Logger::LOAD_MEGAMORPHIC_TAG, *code, 0));
-  return code;
-}
-
-
 Handle<Code> PropertyICCompiler::CompileStoreInitialize(Code::Flags flags) {
   StoreIC::GenerateInitialize(masm());
   Handle<Code> code = GetCodeWithFlags(flags, "CompileStoreInitialize");