Fix <rdar://problem/6144382> [sema] gcc inconsistency w.r.t. forward protocol declarations.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@66161 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/Sema/Sema.h b/lib/Sema/Sema.h
index de9b4cd013..d7d80638d1 100644
--- a/lib/Sema/Sema.h
+++ b/lib/Sema/Sema.h
@@ -25,6 +25,7 @@
 #include "llvm/ADT/DenseSet.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/OwningPtr.h"
+#include "clang/AST/DeclObjC.h"
 #include <string>
 #include <vector>
 
@@ -1678,6 +1679,11 @@ public:
                     SourceLocation AtCompatibilityAliasLoc,
                     IdentifierInfo *AliasName,  SourceLocation AliasLocation,
                     IdentifierInfo *ClassName, SourceLocation ClassLocation);
+
+  void CheckForwardProtocolDeclarationForCircularDependency(
+    IdentifierInfo *PName,
+    SourceLocation &PLoc, SourceLocation PrevLoc,
+    const ObjCList<ObjCProtocolDecl> &PList);
                     
   virtual DeclTy *ActOnStartProtocolInterface(
                     SourceLocation AtProtoInterfaceLoc,