More APSInt appeasement

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62884 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/designated-initializers.c b/test/Sema/designated-initializers.c
index 8f7eb8c..fd48731 100644
--- a/test/Sema/designated-initializers.c
+++ b/test/Sema/designated-initializers.c
@@ -1,4 +1,4 @@
-// RUN: clang -fsyntax-only -verify %s
+// RUN: clang -fsyntax-only -verify -arch x86_64 %s
 
 int complete_array_from_init[] = { 1, 2, [10] = 5, 1, 2, [5] = 2, 6 };