1 files changed, 25 insertions, 0 deletions
diff --git a/clang/test/PCH/cxx-attrs-packexpansion.cpp b/clang/test/PCH/cxx-attrs-packexpansion.cpp
new file mode 100644
index 00000000000..6d292ec1e3e
--- /dev/null
+++ b/clang/test/PCH/cxx-attrs-packexpansion.cpp
@@ -0,0 +1,25 @@
+// Test this without pch.
+// RUN: %clang_cc1 -include %s -emit-llvm -o - %s
+
+// Test with pch.
+// RUN: %clang_cc1 -emit-pch -o %t %s
+// RUN: %clang_cc1 -include-pch %t -emit-llvm -o - %s
+
+#ifndef HEADER
+#define HEADER
+
+template<typename T, typename... Types>
+struct static_variant {
+    alignas(Types...) T storage[10];
+};
+
+#else
+
+struct A {
+    static_variant<int> a;
+};
+struct B {
+    static_variant<A> _b;
+};
+
+#endif