1 files changed, 13 insertions, 0 deletions
diff --git a/test/SemaTemplate/instantiate-attr.cpp b/test/SemaTemplate/instantiate-attr.cpp
index e8291ed00d20..bbadb6375b5b 100644
--- a/test/SemaTemplate/instantiate-attr.cpp
+++ b/test/SemaTemplate/instantiate-attr.cpp
@@ -11,3 +11,16 @@ struct A {
 int a[sizeof(A<int>) == 16 ? 1 : -1];
 int a2[sizeof(A<int>::B) == 16 ? 1 : -1];
 
+// rdar://problem/8243419
+namespace test1 {
+  template <typename T> struct A {
+    int a;
+    T b[0];
+  } __attribute__((packed));
+
+  typedef A<unsigned long> type;
+
+  int test0[sizeof(type) == 4 ? 1 : -1];
+  int test1[__builtin_offsetof(type, a) == 0 ? 1 : -1];
+  int test2[__builtin_offsetof(type, b) == 4 ? 1 : -1];
+}