[Interpreter] Collect type feedback for subtract operation and pass it to turbofan.

src/compiler/type-hint-analyzer.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.
 
 #ifndef V8_COMPILER_TYPE_HINT_ANALYZER_H_
 #define V8_COMPILER_TYPE_HINT_ANALYZER_H_
 
 #include "src/compiler/type-hints.h"
 #include "src/handles.h"
 #include "src/zone-containers.h"
@@ skipping 32 matching lines @@
   TypeHintAnalysis* Analyze(Handle<Code> code);
 
  private:
   Zone* zone() const { return zone_; }
 
   Zone* const zone_;
 
   DISALLOW_COPY_AND_ASSIGN(TypeHintAnalyzer);
 };
 
+BinaryOperationHints::Hint BinaryOperationHintFromFeedback(int type_feedback);
+
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_TYPE_HINT_ANALYZER_H_