1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/init/union2.C b/gcc/testsuite/g++.dg/init/union2.C
new file mode 100644
index 000000000..ac39f6092
--- /dev/null
+++ b/gcc/testsuite/g++.dg/init/union2.C
@@ -0,0 +1,13 @@
+// PR c++/15938
+// { dg-do compile }
+// { dg-options "" }
+
+typedef union
+{
+  struct { int i; };
+  struct { char c; };
+} A;
+
+A a = { 0 };
+A b = {{ 0 }};
+A c = {{{ 0 }}};  // { dg-error "braces" }