Index: libs/format/test/format_test3.cpp
===================================================================
--- libs/format/test/format_test3.cpp	(revision 79031)
+++ libs/format/test/format_test3.cpp	(working copy)
@@ -88,7 +88,11 @@
     s = str( format("%2$014x [%1%] %|2$05|\n") % (format("%05s / %s") % -18 % 7)
              %group(showbase, -100)
              );
-    if( s != "0x0000ffffff9c [-0018 / 7] -0100\n" ){
+    s2 = "0x0000ffffff9c [-0018 / 7] -0100\n" ;
+#if defined(__SUNPRO_CC) && defined(_STLP_IOSTREAM)
+    if ( sizeof(long) == 8 ) s2 = "0xffffffffffffff9c [-0018 / 7] -0100\n" ;
+#endif
+    if( s != s2 ){
       cerr << s ;
       BOOST_ERROR("nesting did not work");
     }