Ensure another pretty-printer test uses C++98 mode

	* testsuite/libstdc++-prettyprinters/debug.cc: Add -std=gnu++98 to
	dg-options and avoid use of uniform-init.

From-SVN: r230977

libstdc++-v3/ChangeLog

 2015-11-26  Jonathan Wakely  <jwakely@redhat.com>
 
+	* testsuite/libstdc++-prettyprinters/debug.cc: Add -std=gnu++98 to
+	dg-options and avoid use of uniform-init.
+
 	* testsuite/libstdc++-prettyprinters/simple.cc: Add -std=gnu++98 to
 	dg-options and avoid use of uniform-init.
 

libstdc++-v3/testsuite/libstdc++-prettyprinters/debug.cc

 // { dg-do run }
-// { dg-options "-g -O0" }
+// { dg-options "-g -O0 -std=gnu++98" }
 
 // Copyright (C) 2011-2015 Free Software Foundation, Inc.
 //
@@ -71,7 +71,10 @@ main()
 // { dg-final { note-test mpiter {{first = "zardoz", second = 23}} } }
 
   // PR 67440
-  const std::set<int> const_intset = {2, 3};
+  std::set<int> intset;
+  intset.insert(2);
+  intset.insert(3);
+  const std::set<int> const_intset = intset;
 // { dg-final { note-test const_intset {std::__debug::set with 2 elements = {[0] = 2, [1] = 3}} } }
 
   std::set<std::string> sp;