These tests require particular registered targets. Declared as such.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132600 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenObjC/objc-read-weak-byref.m b/test/CodeGenObjC/objc-read-weak-byref.m
index fa7a6f9..c89fcd5 100644
--- a/test/CodeGenObjC/objc-read-weak-byref.m
+++ b/test/CodeGenObjC/objc-read-weak-byref.m
@@ -1,3 +1,4 @@
+// REQUIRES: x86-registered-target,x86-64-registered-target
 // RUN: %clang_cc1 -fblocks -fobjc-gc -triple x86_64-apple-darwin -S %s -o %t-64.s
 // RUN: FileCheck -check-prefix LP64 --input-file=%t-64.s %s
 // RUN: %clang_cc1 -fblocks -fobjc-gc -triple i386-apple-darwin -S %s -o %t-32.s