1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/parse/namespace12.C b/gcc/testsuite/g++.dg/parse/namespace12.C
new file mode 100644
index 000000000..25d6ae093
--- /dev/null
+++ b/gcc/testsuite/g++.dg/parse/namespace12.C
@@ -0,0 +1,7 @@
+// PR c++/43109
+
+namespace std {
+ namespace {
+   struct S {};
+ }
+}