1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/ext/visibility/namespace1.C b/gcc/testsuite/g++.dg/ext/visibility/namespace1.C
new file mode 100644
index 000000000..b7773dc9d
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ext/visibility/namespace1.C
@@ -0,0 +1,30 @@
+// PR c++/21764
+// Test for namespace visibility attribute semantics.
+
+// { dg-require-visibility "" }
+// { dg-final { scan-hidden "_ZN3foo1fEv" } }
+// { dg-final { scan-hidden "_ZN3foo1gEv" } }
+// { dg-final { scan-hidden "_ZN3foo1A1mEv" } }
+// { dg-final { scan-hidden "_ZN3foo1tIiEEvv" } }
+// { dg-final { scan-not-hidden "_ZN3foo1hEv" } }
+
+namespace foo __attribute ((visibility ("hidden")))
+{
+  int f() { }
+  void g();
+  template <typename T> void t() { }
+  class A
+  {
+    void m ();
+  };
+}
+
+namespace foo
+{
+  void h() {}
+}
+
+void foo::g() { t<int> (); }
+
+void foo::A::m() { }
+