Replace special IC builtins and stubs in the map's cache by codestubs.

src/x64/stub-cache-x64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3136 matching lines @@
   GenerateLoadArrayLength(masm(), rdx, rcx, &miss);
   __ bind(&miss);
   __ DecrementCounter(counters->keyed_load_array_length(), 1);
   GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
 
   // Return the generated code.
   return GetCode(Code::CALLBACKS, name);
 }
 
 
-Handle<Code> KeyedLoadStubCompiler::CompileLoadStringLength(
-    Handle<String> name) {
-  // ----------- S t a t e -------------
-  //  -- rax    : key
-  //  -- rdx    : receiver
-  //  -- rsp[0] : return address
-  // -----------------------------------
-  Label miss;
-
-  Counters* counters = isolate()->counters();
-  __ IncrementCounter(counters->keyed_load_string_length(), 1);
-
-  // Check that the name has not changed.
-  __ Cmp(rax, name);
-  __ j(not_equal, &miss);
-
-  GenerateLoadStringLength(masm(), rdx, rcx, rbx, &miss, true);
-  __ bind(&miss);
-  __ DecrementCounter(counters->keyed_load_string_length(), 1);
-  GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
-
-  // Return the generated code.
-  return GetCode(Code::CALLBACKS, name);
-}
-
-
 Handle<Code> KeyedLoadStubCompiler::CompileLoadFunctionPrototype(
     Handle<String> name) {
   // ----------- S t a t e -------------
   //  -- rax    : key
   //  -- rdx    : receiver
   //  -- rsp[0]  : return address
   // -----------------------------------
   Label miss;
 
   Counters* counters = isolate()->counters();
@@ skipping 739 matching lines @@
     __ jmp(ic_slow, RelocInfo::CODE_TARGET);
   }
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64