Fix another obscure corner layout case.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@121436 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/pragma-pack.cpp b/test/CodeGenCXX/pragma-pack.cpp
new file mode 100644
index 0000000..c0ddb1d
--- /dev/null
+++ b/test/CodeGenCXX/pragma-pack.cpp
@@ -0,0 +1,14 @@
+// RUN: %clang_cc1 %s -triple=i686-apple-darwin10 -emit-llvm -o - | FileCheck %s
+
+struct Base {
+  virtual ~Base();
+  int x;
+};
+
+#pragma pack(1)
+struct Sub : virtual Base {
+  char c;
+};
+
+// CHECK: %struct.Sub = type <{ i32 (...)**, i8, [8 x i8] }>
+void f(Sub*) { }