[turbofan] Drop broken StaticParameterTraits.

src/unique.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_HYDROGEN_UNIQUE_H_
 #define V8_HYDROGEN_UNIQUE_H_
 
+#include <ostream>  // NOLINT(readability/streams)
+
+#include "src/base/functional.h"
 #include "src/handles-inl.h"  // TODO(everyone): Fix our inl.h crap
 #include "src/objects-inl.h"  // TODO(everyone): Fix our inl.h crap
-#include "src/string-stream.h"
 #include "src/utils.h"
 #include "src/zone.h"
 
 namespace v8 {
 namespace internal {
 
 
 template <typename T>
 class UniqueSet;
 
@@ skipping 53 matching lines @@
     DCHECK(IsInitialized() && other.IsInitialized());
     return raw_address_ == other.raw_address_;
   }
 
   template <typename U>
   inline bool operator!=(const Unique<U>& other) const {
     DCHECK(IsInitialized() && other.IsInitialized());
     return raw_address_ != other.raw_address_;
   }
 
+  friend inline size_t hash_value(Unique<T> const& unique) {
+    DCHECK(unique.IsInitialized());
+    return base::hash<void*>()(unique.raw_address_);
+  }
+
   inline intptr_t Hashcode() const {
     DCHECK(IsInitialized());
     return reinterpret_cast<intptr_t>(raw_address_);
   }
 
   inline bool IsNull() const {
     DCHECK(IsInitialized());
     return raw_address_ == NULL;
   }
 
@@ skipping 27 matching lines @@
   template <class U>
   friend class Unique;  // For comparing raw_address values.
 
  protected:
   Address raw_address_;
   Handle<T> handle_;
 
   friend class SideEffectsTracker;
 };
 
+template <typename T>
+inline std::ostream& operator<<(std::ostream& os, Unique<T> uniq) {
+  return os << Brief(*uniq.handle());
+}
+
 
 template <typename T>
 class UniqueSet FINAL : public ZoneObject {
  public:
   // Constructor. A new set will be empty.
   UniqueSet() : size_(0), capacity_(0), array_(NULL) { }
 
   // Capacity constructor. A new set will be empty.
   UniqueSet(int capacity, Zone* zone)
       : size_(0), capacity_(capacity),
@@ skipping 197 matching lines @@
       }
       capacity_ = new_capacity;
       array_ = new_array;
     }
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_UNIQUE_H_