remove dead header.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83943 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/ADT/HashExtras.h b/include/llvm/ADT/HashExtras.h
deleted file mode 100644 (file)
index 20c4fd3..0000000
--- a/include/llvm/ADT/HashExtras.h
+++ /dev/null
@@ -1,40 +0,0 @@
-//===-- llvm/ADT/HashExtras.h - Useful functions for STL hash ---*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains some templates that are useful if you are working with the
-// STL Hashed containers.
-//
-// No library is required when using these functions.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_ADT_HASHEXTRAS_H
-#define LLVM_ADT_HASHEXTRAS_H
-
-#include <string>
-
-// Cannot specialize hash template from outside of the std namespace.
-namespace HASH_NAMESPACE {
-
-// Provide a hash function for arbitrary pointers...
-template <class T> struct hash<T *> {
-  inline size_t operator()(const T *Val) const {
-    return reinterpret_cast<size_t>(Val);
-  }
-};
-
-template <> struct hash<std::string> {
-  size_t operator()(std::string const &str) const {
-    return hash<char const *>()(str.c_str());
-  }
-};
-
-}  // End namespace std
-
-#endif