Add hash specializations for __int128_t. Fixes LWG issue 2119

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@266587 91177308-0d34-0410-b5e6-96231b3b80d8
2016-04-18 02:54:00 +00:00
parent c325f3dccf
commit b952822a48
3 changed files with 25 additions and 4 deletions
--- a/include/functional
+++ b/include/functional
@@ -2473,6 +2473,22 @@ struct _LIBCPP_TYPE_VIS_ONLY hash<unsigned long long>
 {
 };

+#ifndef _LIBCPP_HAS_NO_INT128
+
+template <>
+struct _LIBCPP_TYPE_VIS_ONLY hash<__int128_t>
+    : public __scalar_hash<__int128_t>
+{
+};
+
+template <>
+struct _LIBCPP_TYPE_VIS_ONLY hash<__uint128_t>
+    : public __scalar_hash<__uint128_t>
+{
+};
+
+#endif
+
 template <>
 struct _LIBCPP_TYPE_VIS_ONLY hash<float>
    : public __scalar_hash<float>