1 files changed, 16 insertions, 0 deletions
diff --git a/test/Sema/address-unaligned.c b/test/Sema/address-unaligned.c
new file mode 100644
index 000000000000..6719509051b3
--- /dev/null
+++ b/test/Sema/address-unaligned.c
@@ -0,0 +1,16 @@
+// RUN: %clang_cc1 -fsyntax-only -fms-extensions -verify %s
+// expected-no-diagnostics
+
+typedef
+struct __attribute__((packed)) S1 {
+  char c0;
+  int x;
+  char c1;
+} S1;
+
+void bar(__unaligned int *);
+
+void foo(__unaligned S1* s1)
+{
+    bar(&s1->x);
+}