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

src/ic/mips64/handler-compiler-mips64.cc

Index: src/ic/mips64/handler-compiler-mips64.cc
diff --git a/src/ic/mips64/handler-compiler-mips64.cc b/src/ic/mips64/handler-compiler-mips64.cc
index d2eb2d1d8676b929d62941f5af7bb322bbd224b9..109ffa28cb62108d0f5cf6b24af78d9afaa8bd09 100644
--- a/src/ic/mips64/handler-compiler-mips64.cc
+++ b/src/ic/mips64/handler-compiler-mips64.cc
@@ -528,7 +528,7 @@ void NamedLoadHandlerCompiler::FrontendFooter(Handle<Name> name, Label* miss) {
       DCHECK(kind() == Code::LOAD_IC);
       PopVectorAndSlot();
     }
-    TailCallBuiltin(masm(), MissBuiltin(kind()));
+    TailCallMissHandler(masm(), kind());
     __ bind(&success);
   }
 }
@@ -540,7 +540,7 @@ void NamedStoreHandlerCompiler::FrontendFooter(Handle<Name> name, Label* miss) {
     __ Branch(&success);
     GenerateRestoreName(miss, name);
     if (IC::ICUseVector(kind())) PopVectorAndSlot();
-    TailCallBuiltin(masm(), MissBuiltin(kind()));
+    TailCallMissHandler(masm(), kind());
     __ bind(&success);
   }
 }