1 files changed, 15 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/27_io/istream.cc b/libstdc++-v3/testsuite/27_io/istream.cc
index ef88a39f727..6cec904eb67 100644
--- a/libstdc++-v3/testsuite/27_io/istream.cc
+++ b/libstdc++-v3/testsuite/27_io/istream.cc
@@ -31,17 +31,32 @@
 // NB: This file is for testing istream with NO OTHER INCLUDES.
 
 #include <istream>
+#include <testsuite_hooks.h>
 
 // { dg-do compile }
 
+// libstdc++/7216
+void test01()
+{
+  // Check for required typedefs
+  typedef std::istream test_type;
+  typedef test_type::char_type char_type;
+  typedef test_type::traits_type traits_type;
+  typedef test_type::int_type int_type;
+  typedef test_type::pos_type pos_type;
+  typedef test_type::off_type off_type;
+}
+
 namespace test 
 {
   using namespace std;
   typedef short type_t;
   template class basic_istream<type_t, char_traits<type_t> >;
+  template class basic_istream<gnu_char, char_traits<gnu_char> >;
 } // test
 
 int main() 
 {
+  test01();
   return 0;
 }