diff --git a/clang/lib/Sema/SemaDeclObjC.cpp b/clang/lib/Sema/SemaDeclObjC.cpp
--- a/clang/lib/Sema/SemaDeclObjC.cpp
+++ b/clang/lib/Sema/SemaDeclObjC.cpp
@@ -2122,7 +2122,12 @@
     // Add ivar's to class's DeclContext.
     for (unsigned i = 0, e = numIvars; i != e; ++i) {
       ivars[i]->setLexicalDeclContext(ImpDecl);
-      IDecl->makeDeclVisibleInContext(ivars[i]);
+      // In a 'fragile' runtime the ivar was added to the implicit
+      // ObjCInterfaceDecl while in a 'non-fragile' runtime the ivar is
+      // only in the ObjCImplementationDecl. In the non-fragile case the ivar
+      // therefore also needs to be propagated to the ObjCInterfaceDecl.
+      if (!LangOpts.ObjCRuntime.isFragile())
+        IDecl->makeDeclVisibleInContext(ivars[i]);
       ImpDecl->addDecl(ivars[i]);
     }