Index: punct.cpp
===================================================================
--- punct.cpp	(revision 578875)
+++ punct.cpp	(working copy)
@@ -132,6 +132,9 @@
     // set all categories -- need LC_NUMERIC and LC_CTYPE
     const __rw_setlocale clocale (locname, _RWSTD_LC_ALL);
 
+    if (pfacet->_C_data ())
+        return __rw_get_numpunct (pfacet, flags);
+
     // get the lconv data
     const lconv* const pconv = localeconv ();
     if (!pconv)