1 files changed, 13 insertions, 0 deletions
diff --git a/test/SemaCXX/anonymous-union-cxx11.cpp b/test/SemaCXX/anonymous-union-cxx11.cpp
new file mode 100644
index 0000000..8e682eb
--- /dev/null
+++ b/test/SemaCXX/anonymous-union-cxx11.cpp
@@ -0,0 +1,13 @@
+// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify -pedantic %s
+
+namespace PR12866 {
+  struct bar {
+    union {
+      int member;
+    };
+  };
+
+  void foo( void ) {
+    (void)sizeof(bar::member);
+  }
+}