Unnamed bit-fields in a union should be laid out with a type that doesn't affect alignment.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101673 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 11 insertions, 3 deletions

diff --git a/test/CodeGenCXX/bitfield-layout.cpp b/test/CodeGenCXX/bitfield-layout.cpp
index c77c925d87..94250195f5 100644
--- a/test/CodeGenCXX/bitfield-layout.cpp
+++ b/test/CodeGenCXX/bitfield-layout.cpp
@@ -1,9 +1,17 @@
 // RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
 
-// CHECK: = type { i32, [4 x i8] }
+// CHECK: %union.Test1 = type { i32, [4 x i8] }
 union Test1 {
   int a;
   int b: 39;
-};
+} t1;
 
-Test1 t1;
+// CHECK: %union.Test2 = type { i8 }
+union Test2 {
+  int : 6;
+} t2;
+
+// CHECK: %union.Test3 = type { [2 x i8] }
+union Test3 {
+  int : 9;
+} t3;