[turbofan] Drop broken StaticParameterTraits.

src/assembler.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 941 matching lines @@
   static void set_redirector(Isolate* isolate,
                              ExternalReferenceRedirector* redirector) {
     // We can't stack them.
     DCHECK(isolate->external_reference_redirector() == NULL);
     isolate->set_external_reference_redirector(
         reinterpret_cast<ExternalReferenceRedirectorPointer*>(redirector));
   }
 
   static ExternalReference stress_deopt_count(Isolate* isolate);
 
-  bool operator==(const ExternalReference& other) const {
-    return address_ == other.address_;
-  }
-
-  bool operator!=(const ExternalReference& other) const {
-    return !(*this == other);
-  }
-
  private:
   explicit ExternalReference(void* address)
       : address_(address) {}
 
   static void* Redirect(Isolate* isolate,
                         Address address_arg,
                         Type type = ExternalReference::BUILTIN_CALL) {
     ExternalReferenceRedirector* redirector =
         reinterpret_cast<ExternalReferenceRedirector*>(
             isolate->external_reference_redirector());
     void* address = reinterpret_cast<void*>(address_arg);
     void* answer = (redirector == NULL) ?
                    address :
                    (*redirector)(address, type);
     return answer;
   }
 
   void* address_;
 };
 
+bool operator==(ExternalReference, ExternalReference);
+bool operator!=(ExternalReference, ExternalReference);
+
+size_t hash_value(ExternalReference);
+
+std::ostream& operator<<(std::ostream&, ExternalReference);
+
 
 // -----------------------------------------------------------------------------
 // Position recording support
 
 struct PositionState {
   PositionState() : current_position(RelocInfo::kNoPosition),
                     written_position(RelocInfo::kNoPosition),
                     current_statement_position(RelocInfo::kNoPosition),
                     written_statement_position(RelocInfo::kNoPosition) {}
 
@@ skipping 104 matching lines @@
   NullCallWrapper() { }
   virtual ~NullCallWrapper() { }
   virtual void BeforeCall(int call_size) const { }
   virtual void AfterCall() const { }
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ASSEMBLER_H_