Some cleanups for the ambiguous derived-to-base conversion checks

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58096 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/Sema.h b/lib/Sema/Sema.h
index ab5b7b0..ef34a10 100644
--- a/lib/Sema/Sema.h
+++ b/lib/Sema/Sema.h
@@ -798,8 +798,8 @@
   bool IsDerivedFrom(QualType Derived, QualType Base);
   bool IsDerivedFrom(QualType Derived, QualType Base, BasePaths &Paths);
 
-  bool CheckDerivedToBaseConversion(SourceLocation Loc, SourceRange Range,
-                                    QualType Derived, QualType Base);
+  bool CheckDerivedToBaseConversion(QualType Derived, QualType Base,
+                                    SourceLocation Loc, SourceRange Range);
 
   // Objective-C declarations.
   virtual DeclTy *ActOnStartClassInterface(SourceLocation AtInterfaceLoc,