1 files changed, 26 insertions, 0 deletions
diff --git a/clang/test/Sema/address-packed-member-memops.c b/clang/test/Sema/address-packed-member-memops.c
new file mode 100644
index 00000000000..220132f3329
--- /dev/null
+++ b/clang/test/Sema/address-packed-member-memops.c
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+// expected-no-diagnostics
+
+struct B {
+  int x, y, z, w;
+} b;
+
+struct __attribute__((packed)) A {
+  struct B b;
+} a;
+
+typedef __typeof__(sizeof(int)) size_t;
+
+void *memcpy(void *dest, const void *src, size_t n);
+int memcmp(const void *s1, const void *s2, size_t n);
+void *memmove(void *dest, const void *src, size_t n);
+void *memset(void *s, int c, size_t n);
+
+int x;
+
+void foo(void) {
+  memcpy(&a.b, &b, sizeof(b));
+  memmove(&a.b, &b, sizeof(b));
+  memset(&a.b, 0, sizeof(b));
+  x = memcmp(&a.b, &b, sizeof(b));
+}