Use the Itanium ABI for member pointers. Add a missing 'break' statement and a test case

llvm-svn: 71972
diff --git a/clang/test/SemaCXX/member-pointer-size.cpp b/clang/test/SemaCXX/member-pointer-size.cpp
new file mode 100644
index 0000000..f86e72b
--- /dev/null
+++ b/clang/test/SemaCXX/member-pointer-size.cpp
@@ -0,0 +1,15 @@
+// RUN: clang-cc -triple x86_64-unknown-unknown %s -fsyntax-only -verify &&
+// RUN: clang-cc -triple i686-unknown-unknown %s -fsyntax-only -verify
+#include <stddef.h>
+
+struct A;
+
+void f() {
+  int A::*dataMember;
+  
+  int (A::*memberFunction)();
+  
+  typedef int assert1[sizeof(dataMember) == sizeof(ptrdiff_t) ? 1 : -1];
+  typedef int assert2[sizeof(memberFunction) == sizeof(ptrdiff_t) * 2 ? 1 : -1];
+}
+