1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck %s
2 
3 typedef struct _attrs {
4         unsigned file_attributes;
5         unsigned char filename_length;
6 } __attribute__((__packed__)) attrs;
7 
8 // CHECK: %union._attr_union = type <{ i32, i8 }>
9 typedef union _attr_union {
10   attrs file_attrs;
11   unsigned owner_id;
12 } __attribute__((__packed__)) attr_union;
13 
14 attr_union u;
15 
16