Enable debug info for objective c implementations that may not have
an explicit instance variable.

rdar://10590352

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154481 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGDebugInfo.h b/lib/CodeGen/CGDebugInfo.h
index a071b06..ec7705c 100644
--- a/lib/CodeGen/CGDebugInfo.h
+++ b/lib/CodeGen/CGDebugInfo.h
@@ -226,6 +226,12 @@
 
   /// getOrCreateRecordType - Emit record type's standalone debug info. 
   llvm::DIType getOrCreateRecordType(QualType Ty, SourceLocation L);
+
+  /// getOrCreateInterfaceType - Emit an objective c interface type standalone
+  /// debug info.
+  llvm::DIType getOrCreateInterfaceType(QualType Ty,
+					SourceLocation Loc);
+
 private:
   /// EmitDeclare - Emit call to llvm.dbg.declare for a variable declaration.
   void EmitDeclare(const VarDecl *decl, unsigned Tag, llvm::Value *AI,