Darwin/ARM seems to support mac68k align as well.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104828 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 99e5f66..92fd417 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -1670,7 +1670,9 @@
 
 public:
   DarwinARMTargetInfo(const std::string& triple)
-    : DarwinTargetInfo<ARMTargetInfo>(triple) {}
+    : DarwinTargetInfo<ARMTargetInfo>(triple) {
+    HasAlignMac68kSupport = true;
+  }
 };
 } // end anonymous namespace.