Remove a brittle assertion from Turbofan lazy deoptimization handling.

src/compiler/code-generator.h

 // Copyright 2014 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_CODE_GENERATOR_H_
 #define V8_COMPILER_CODE_GENERATOR_H_
 
 #include <deque>
 
 #include "src/compiler/gap-resolver.h"
@@ skipping 70 matching lines @@
 
   // ===========================================================================
   // Deoptimization table construction
   void RecordLazyDeoptimizationEntry(Instruction* instr);
   void PopulateDeoptimizationData(Handle<Code> code);
   int DefineDeoptimizationLiteral(Handle<Object> literal);
   void BuildTranslation(Instruction* instr, int deoptimization_id);
   void AddTranslationForOperand(Translation* translation, Instruction* instr,
                                 InstructionOperand* op);
   void AddNopForSmiCodeInlining();
-#if DEBUG
-  static bool IsNopForSmiCodeInlining(Handle<Code> code, int start_pc,
-                                      int end_pc);
-#endif  // DEBUG
   // ===========================================================================
 
   class LazyDeoptimizationEntry V8_FINAL {
    public:
     LazyDeoptimizationEntry(int position_after_call, Label* continuation,
                             Label* deoptimization)
         : position_after_call_(position_after_call),
           continuation_(continuation),
           deoptimization_(deoptimization) {}
 
@@ skipping 32 matching lines @@
   DeoptimizationStates deoptimization_states_;
   Literals deoptimization_literals_;
   TranslationBuffer translations_;
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_CODE_GENERATOR_H