[turbofan] Use uint32 to store the number of control outputs instead of uint16.

src/compiler/operator.h

 // Copyright 2013 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_OPERATOR_H_
 #define V8_COMPILER_OPERATOR_H_
 
 #include <ostream>  // NOLINT(readability/streams)
 
 #include "src/base/compiler-specific.h"
@@ skipping 126 matching lines @@
 
  private:
   Opcode opcode_;
   Properties properties_;
   const char* mnemonic_;
   uint32_t value_in_;
   uint16_t effect_in_;
   uint16_t control_in_;
   uint16_t value_out_;
   uint8_t effect_out_;
-  uint16_t control_out_;
+  uint32_t control_out_;
 
   DISALLOW_COPY_AND_ASSIGN(Operator);
 };
 
 DEFINE_OPERATORS_FOR_FLAGS(Operator::Properties)
 
 std::ostream& operator<<(std::ostream& os, const Operator& op);
 
 
 // Default equality function for below Operator1<*> class.
@@ skipping 88 matching lines @@
 template <>
 struct OpEqualTo<Handle<ScopeInfo>> : public Handle<ScopeInfo>::equal_to {};
 template <>
 struct OpHash<Handle<ScopeInfo>> : public Handle<ScopeInfo>::hash {};
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_OPERATOR_H_