From cd073cc2e9eb8adef732e8a2dc3e2fa362d0d411 Mon Sep 17 00:00:00 2001
From: Fariborz Jahanian <fjahanian@apple.com>
Date: Sat, 28 Feb 2009 00:54:00 +0000
Subject: [PATCH] Alignment of pointers in __objc_classlist must be on their
 natural alignment. Otherwise, the excess hole confuses the objc2 runtime
 (this is darwin specific).

llvm-svn: 65666
---
 clang/lib/CodeGen/CGObjCMac.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/clang/lib/CodeGen/CGObjCMac.cpp b/clang/lib/CodeGen/CGObjCMac.cpp
index 6a806a33716b..3beb91a29ed3 100644
--- a/clang/lib/CodeGen/CGObjCMac.cpp
+++ b/clang/lib/CodeGen/CGObjCMac.cpp
@@ -3394,6 +3394,8 @@ void CGObjCNonFragileABIMac::FinishNonFragileABIModule() {
                                Init,
                                "\01L_OBJC_LABEL_CLASS_$",
                                &CGM.getModule());
+    GV->setAlignment(
+      CGM.getTargetData().getPrefTypeAlignment(ObjCTypes.Int8PtrTy));
     GV->setSection("__DATA, __objc_classlist, regular, no_dead_strip");
     UsedGlobals.push_back(GV);
   }