1 files changed, 4 insertions, 1 deletions
diff --git a/include/clang/Basic/LangOptions.h b/include/clang/Basic/LangOptions.h
index fba474b2f5..fa5b689490 100644
--- a/include/clang/Basic/LangOptions.h
+++ b/include/clang/Basic/LangOptions.h
@@ -37,6 +37,9 @@ public:
   unsigned ObjC1             : 1;  // Objective-C 1 support enabled.
   unsigned ObjC2             : 1;  // Objective-C 2 support enabled.
   unsigned ObjCNonFragileABI : 1;  // Objective-C modern abi enabled
+  unsigned ObjCTightLayout   : 1;  // Use tight interface layout, in
+                                   // which subclass ivars can be
+                                   // placed inside the superclass.
     
   unsigned PascalStrings     : 1;  // Allow Pascal strings
   unsigned WritableStrings   : 1;  // Allow writable strings
@@ -100,7 +103,7 @@ public:
     Trigraphs = BCPLComment = DollarIdents = AsmPreprocessor = 0;
     GNUMode = ImplicitInt = Digraphs = 0;
     HexFloats = 0;
-    GC = ObjC1 = ObjC2 = ObjCNonFragileABI = 0;
+    GC = ObjC1 = ObjC2 = ObjCNonFragileABI = ObjCTightLayout = 0;
     C99 = Microsoft = CPlusPlus = CPlusPlus0x = 0;
     CXXOperatorNames = PascalStrings = WritableStrings = 0;
     Exceptions = NeXTRuntime = Freestanding = NoBuiltin = 0;