--trace-ic: much faster and available in Release mode.

src/ic.h

 // Copyright 2012 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_IC_H_
 #define V8_IC_H_
 
 #include "src/macro-assembler.h"
 
 namespace v8 {
@@ skipping 152 matching lines @@
   void set_target(Code* code) {
 #ifdef VERIFY_HEAP
     code->VerifyEmbeddedObjectsDependency();
 #endif
     SetTargetAtAddress(address(), code, constant_pool());
     target_set_ = true;
   }
 
   bool is_target_set() { return target_set_; }
 
-#ifdef DEBUG
   char TransitionMarkFromState(IC::State state);
-
   void TraceIC(const char* type, Handle<Object> name);
-#endif
 
   MaybeHandle<Object> TypeError(const char* type,
                                 Handle<Object> object,
                                 Handle<Object> key);
   MaybeHandle<Object> ReferenceError(const char* type, Handle<String> name);
 
   // Access the target code for the given IC address.
   static inline Code* GetTargetAtAddress(Address address,
                                          ConstantPoolArray* constant_pool);
   static inline void SetTargetAtAddress(Address address,
@@ skipping 838 matching lines @@
 DECLARE_RUNTIME_FUNCTION(ElementsTransitionAndStoreIC_Miss);
 DECLARE_RUNTIME_FUNCTION(BinaryOpIC_Miss);
 DECLARE_RUNTIME_FUNCTION(BinaryOpIC_MissWithAllocationSite);
 DECLARE_RUNTIME_FUNCTION(CompareNilIC_Miss);
 DECLARE_RUNTIME_FUNCTION(ToBooleanIC_Miss);
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_IC_H_