diff --git a/clang/test/CodeGen/init.c b/clang/test/CodeGen/init.c
index f773b8b..fd0735b 100644
--- a/clang/test/CodeGen/init.c
+++ b/clang/test/CodeGen/init.c
@@ -11,4 +11,5 @@
   int *c[2] = { &a[1][1], &b[2][2] };
   int *d[2][2] = { {&a[1][1], &b[2][2]}, {&a[0][0], &b[1][1]} };
   int *e[3][3] = { {&a[1][1], &b[2][2]}, {&a[0][0], &b[1][1]} };
+  char ext[3][3] = {".Y",".U",".V"};
 }