[TypeFeedbackVector] Root feedback vectors at function literal site.

test/cctest/interpreter/interpreter-tester.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/api.h"
 #include "src/execution.h"
 #include "src/handles.h"
 #include "src/interpreter/bytecode-array-builder.h"
@@ skipping 99 matching lines @@
       function = Handle<JSFunction>::cast(v8::Utils::OpenHandle(
           *v8::Local<v8::Function>::Cast(CompileRun(source.c_str()))));
       function->ReplaceCode(
           *isolate_->builtins()->InterpreterEntryTrampoline());
     }
 
     if (!bytecode_.is_null()) {
       function->shared()->set_function_data(*bytecode_.ToHandleChecked());
     }
     if (!feedback_metadata_.is_null()) {
-      // TODO(mvstanton): The call to ClearOptimizedCodeMap can be removed
-      // when we stop storing literals in the optimized code map (upcoming CL).
-      function->shared()->ClearOptimizedCodeMap();
       function->shared()->set_feedback_metadata(
           *feedback_metadata_.ToHandleChecked());
       JSFunction::EnsureLiterals(function);
     }
     return function;
   }
 
   DISALLOW_COPY_AND_ASSIGN(InterpreterTester);
 };
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8