# patch for 7148352
--- stdcxx-4.2.1/include/rw/_basic_ios.h	2008-04-24 17:23:43.000000000 -0700
+++ stdcxx-4.2.1/include/rw/_basic_ios.h	2012-03-08 10:57:28.262697514 -0800
@@ -217,12 +217,20 @@
 
     // 27.4.4.2, p10
     char narrow (char_type __c, char __dflt) const {
-        return _USE_FACET (ctype<char_type>, getloc ()).narrow (__c, __dflt);
+	// For better performance, call the non-const version of getloc
+	basic_ios<_CharT, _Traits>* p =
+	    const_cast<basic_ios<_CharT, _Traits>*>(this);
+
+        return _USE_FACET (ctype<char_type>, p->getloc()).narrow (__c, __dflt);
     }
 
     // 27.4.4.2, p11
     char_type widen (char __c) const {
-        return _USE_FACET (ctype<char_type>, getloc ()).widen (__c);
+	// For better performance, call the non-const version of getloc
+	basic_ios<_CharT, _Traits>* p =
+	    const_cast<basic_ios<_CharT, _Traits>*>(this);
+
+        return _USE_FACET (ctype<char_type>, p->getloc()).widen (__c);
     }
 
 protected: