Put each test in class-layout.cpp into a separate namespace.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120925 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/class-layout.cpp b/test/CodeGenCXX/class-layout.cpp
index 9303bda..6675b49 100644
--- a/test/CodeGenCXX/class-layout.cpp
+++ b/test/CodeGenCXX/class-layout.cpp
@@ -1,13 +1,19 @@
-// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 %s -triple x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
 
 // An extra byte should be allocated for an empty class.
-// CHECK: %struct.A = type { i8 }
-struct A { } a;
+namespace Test1 {
+  // CHECK: %"struct.Test1::A" = type { i8 }
+  struct A { } *a;
+}
 
-// No need to add tail padding here.
-// CHECK: %struct.B = type { i8*, i32 }
-struct B { void *a; int b; } b;
+namespace Test2 {
+  // No need to add tail padding here.
+  // CHECK: %"struct.Test2::A" = type { i8*, i32 }
+  struct A { void *a; int b; } *a;
+}
 
-// C should have a vtable pointer.
-// CHECK: %struct.C = type { i32 (...)**, i32 }
-struct C { virtual void f(); int a; } *c;
+namespace Test3 {
+  // C should have a vtable pointer.
+  // CHECK: %"struct.Test3::A" = type { i32 (...)**, i32 }
+  struct A { virtual void f(); int a; } *a;
+}