1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/lookup/anon5.C b/gcc/testsuite/g++.dg/lookup/anon5.C
new file mode 100644
index 000000000..c3d36c20f
--- /dev/null
+++ b/gcc/testsuite/g++.dg/lookup/anon5.C
@@ -0,0 +1,21 @@
+// PR c++/28409
+// shouldIbevisible should be emitted because it's an extern "C" decl with
+// external linkage, even though it's in the anonymous namespace.
+
+namespace
+{
+  extern "C" int shouldIbevisible()
+  {
+    return 0;
+  }
+}
+
+namespace t
+{
+  extern "C" int shouldIbevisible(void);
+}
+
+int main(void)
+{
+  return t::shouldIbevisible();
+}