1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/ext/visibility/namespace2.C b/gcc/testsuite/g++.dg/ext/visibility/namespace2.C
new file mode 100644
index 000000000..96c5b0953
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ext/visibility/namespace2.C
@@ -0,0 +1,20 @@
+// PR c++/32470
+
+// { dg-require-visibility "" }
+// { dg-options "-fvisibility=hidden" }
+// { dg-final { scan-hidden "_ZN4Test4testEv" } }
+
+namespace std __attribute__((__visibility__("default"))) {
+  template<typename _CharT>
+  class basic_streambuf
+  {
+    friend void getline();
+  };
+  extern template class basic_streambuf<char>;
+}
+
+class Test
+{
+  void test();
+};
+void Test::test() { }