Add unnamed_addr in CreateRuntimeVariable.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@123773 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenObjC/constant-string-class.m b/test/CodeGenObjC/constant-string-class.m
index 3d18238..12253d6 100644
--- a/test/CodeGenObjC/constant-string-class.m
+++ b/test/CodeGenObjC/constant-string-class.m
@@ -32,3 +32,4 @@
 
 // CHECK-FRAGILE: @_FooClassReference = common global
 // CHECK-NONFRAGILE: @"OBJC_CLASS_$_Object" = external global
+// CHECK-NONFRAGILE: "OBJC_CLASS_$_Foo" = unnamed_addr global