re PR libstdc++/20071 (newlib target testsuite regressions: libstdc++: tr1/6_containers/tuple)

	PR libstdc++/20071
	* include/tr1/functional (hash<std::wstring>): Wrap in #ifdef
	_GLIBCXX_USE_WCHAR_T.

From-SVN: r95279

libstdc++-v3/ChangeLog

+2005-02-19  Hans-Peter Nilsson  <hp@axis.com>
+
+	PR libstdc++/20071
+	* include/tr1/functional (hash<std::wstring>): Wrap in #ifdef
+	_GLIBCXX_USE_WCHAR_T.
+
 2005-02-18  Richard Henderson  <rth@redhat.com>
 
 	PR libstdc++/10606

libstdc++-v3/include/tr1/functional

@@ -135,6 +135,7 @@ namespace tr1
       }
     };
 
+#ifdef _GLIBCXX_USE_WCHAR_T
   template <>
     struct hash<std::wstring>
     {
@@ -146,6 +147,7 @@ namespace tr1
 	return result;
       }
     };
+#endif
 
 }
 }