Allow target to specify about using minimum alignment vs preferred.  Takes care of 
FIXME: Override "preferred align" for double and long long for ARM apcs-gnu ABI. 
Also part of rdar://9802874

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135940 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 3aebc41..53f5c0a 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -1978,11 +1978,13 @@
                              "v64:32:64-v128:32:128-a0:0:32-n32");
       }
 
-      // FIXME: Override "preferred align" for double and long long.
+      // Default to using minimum alignment, not preferred.
+      UsePreferredTypeAlign = false;
     } else if (Name == "aapcs") {
       // FIXME: Enumerated types are variable width in straight AAPCS.
+
     } else if (Name == "aapcs-linux") {
-      ;
+
     } else
       return false;