enable test as it already works

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63390 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/designated-initializers.c b/test/CodeGen/designated-initializers.c
index 0605b24..0601818 100644
--- a/test/CodeGen/designated-initializers.c
+++ b/test/CodeGen/designated-initializers.c
@@ -1,5 +1,5 @@
-// RUN: clang %s -emit-llvm -o -
-// XFAIL
+// RUN: clang %s -emit-llvm -o - | grep "<{ i8\* null, i32 1024 }>"
+
 struct foo {
     void *a;
     int b;
@@ -14,4 +14,3 @@
         .b = 1024,
     };
 }
-