diff --git a/clang/test/CodeGen/override-layout.c b/clang/test/CodeGen/override-layout.c
index 99c2cd6..8a108a9 100644
--- a/clang/test/CodeGen/override-layout.c
+++ b/clang/test/CodeGen/override-layout.c
@@ -19,24 +19,32 @@
   int x[6] PACKED; 
 };
 
+void use_X0() { struct X0 x0; x0.x[5] = sizeof(struct X0); };
+
 // CHECK: Type: struct X1
 struct X1 { 
   char x[13]; 
   struct X0 y; 
 } PACKED;
 
+void use_X1() { struct X1 x1; x1.x[5] = sizeof(struct X1); };
+
 // CHECK: Type: struct X2
 struct PACKED X2 {
   short x;
   int y;
 };
 
+void use_X2() { struct X2 x2; x2.y = sizeof(struct X2); };
+
 // CHECK: Type: struct X3
 struct X3 {
   short x PACKED;
   int y;
 };
 
+void use_X3() { struct X3 x3; x3.y = sizeof(struct X3); };
+
 #pragma pack(push,2)
 // CHECK: Type: struct X4
 struct X4 {
@@ -45,18 +53,26 @@
 };
 #pragma pack(pop)
 
+void use_X4() { struct X4 x4; x4.y = sizeof(struct X4); };
+
 // CHECK: Type: struct X5
 struct PACKED X5 { double a[19];  signed char b; };
 
+void use_X5() { struct X5 x5; x5.b = sizeof(struct X5); };
+
 // CHECK: Type: struct X6
 struct PACKED X6 { long double a; char b; };
 
+void use_X6() { struct X6 x6; x6.b = sizeof(struct X6); };
+
 // CHECK: Type: struct X7
 struct X7 {
         unsigned x;
         unsigned char y;
 } PACKED;
 
+void use_X7() { struct X7 x7; x7.y = x7.x = sizeof(struct X7); }
+
 // CHECK: Type: union X8
 union X8 {
   struct X7 x;
@@ -114,32 +130,6 @@
 };
 
 void use_structs() {
-  struct X0 x0;
-  x0.x[5] = sizeof(struct X0);
-
-  struct X1 x1;
-  x1.x[5] = sizeof(struct X1);
-
-  struct X2 x2;
-  x2.y = sizeof(struct X2);
-
-  struct X3 x3;
-  x3.y = sizeof(struct X3);
-
-  struct X4 x4;
-  x4.y = sizeof(struct X4);
-
-  struct X5 x5;
-  x5.b = sizeof(struct X5);
-
-  struct X6 x6;
-  x6.b = sizeof(struct X6);
-
-  struct X7 x7;
-  typedef int X7array[sizeof(struct X7)];
-  x7.x = sizeof(struct X7);
-  x7.y = x7.x;
-
   union X8 x8;
   typedef int X8array[sizeof(union X8)];
   x8.y = sizeof(union X8);