re PR libstdc++/89402 (warning: ‘void _ZNKSt4hashIeEclEe()’ specifies less…

re PR libstdc++/89402 (warning: ‘void _ZNKSt4hashIeEclEe()’ specifies less restrictive attribute than its target)

	PR libstdc++/89402
	* src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
	type to std::size_t and argument to type to long double.

From-SVN: r269130

libstdc++-v3/ChangeLog

+2019-02-22  Jakub Jelinek  <jakub@redhat.com>
+
+	PR libstdc++/89402
+	* src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
+	type to std::size_t and argument to type to long double.
+
 2019-02-22  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.

libstdc++-v3/src/c++98/compatibility-ldbl.cc

@@ -74,7 +74,7 @@ namespace std _GLIBCXX_VISIBILITY(default)
 // std::tr1::hash<long double>::operator()
 // and std::hash<long double>::operator()
 // are the same, no need to duplicate them.
-extern "C" void _ZNKSt4hashIeEclEe (void)
+extern "C" std::size_t _ZNKSt4hashIeEclEe (long double)
   _GLIBCXX_PURE __attribute__((alias ("_ZNKSt3tr14hashIeEclEe")));
 
 #endif