[builtins] Turn LoadIC_Miss and LoadIC_Slow builtins to TurboFan code stubs.

src/x87/code-stubs-x87.cc

Index: src/x87/code-stubs-x87.cc
diff --git a/src/x87/code-stubs-x87.cc b/src/x87/code-stubs-x87.cc
index 2546ff89e1f483e5178754f2e5ff91289da0466c..4b5d917b258f10843a191940d89b42bd2f9e2466 100644
--- a/src/x87/code-stubs-x87.cc
+++ b/src/x87/code-stubs-x87.cc
@@ -343,8 +343,7 @@ void FunctionPrototypeStub::Generate(MacroAssembler* masm) {
   __ ret(0);
 
   __ bind(&miss);
-  PropertyAccessCompiler::TailCallBuiltin(
-      masm, PropertyAccessCompiler::MissBuiltin(Code::LOAD_IC));
+  PropertyAccessCompiler::TailCallMissHandler(masm, Code::LOAD_IC);
 }
 
 
@@ -377,8 +376,7 @@ void LoadIndexedStringStub::Generate(MacroAssembler* masm) {
   char_at_generator.GenerateSlow(masm, PART_OF_IC_HANDLER, call_helper);
 
   __ bind(&miss);
-  PropertyAccessCompiler::TailCallBuiltin(
-      masm, PropertyAccessCompiler::MissBuiltin(Code::KEYED_LOAD_IC));
+  PropertyAccessCompiler::TailCallMissHandler(masm, Code::KEYED_LOAD_IC);
 }