1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/ext/visibility/anon1.C b/gcc/testsuite/g++.dg/ext/visibility/anon1.C
new file mode 100644
index 000000000..16647b228
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ext/visibility/anon1.C
@@ -0,0 +1,10 @@
+// PR c++/21581
+// Test for anonymous namespace internal linkage
+
+// { dg-do compile }
+// { dg-final { scan-assembler-not "globl.*_ZN.*1fEv" } }
+
+namespace
+{
+  int f() { }
+}