Alignment of pointers in __objc_classlist must be on their
natural alignment. Otherwise, the excess hole confuses the
objc2 runtime (this is darwin specific).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65666 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGObjCMac.cpp b/lib/CodeGen/CGObjCMac.cpp
index 6a806a3..3beb91a 100644
--- a/lib/CodeGen/CGObjCMac.cpp
+++ b/lib/CodeGen/CGObjCMac.cpp
@@ -3394,6 +3394,8 @@
                                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);
   }