diff --git a/clang/Driver/PrintParserCallbacks.cpp b/clang/Driver/PrintParserCallbacks.cpp
index adf3bed..0048a6d 100644
--- a/clang/Driver/PrintParserCallbacks.cpp
+++ b/clang/Driver/PrintParserCallbacks.cpp
@@ -473,9 +473,8 @@
       return 0;
     }
     virtual ExprResult 
-    ActOnSizeOfAlignOfTypeExpr(SourceLocation OpLoc, bool isSizeof, 
-                               SourceLocation LParenLoc, TypeTy *Ty,
-                               SourceLocation RParenLoc) {
+    ActOnSizeOfAlignOfExpr(SourceLocation OpLoc, bool isSizeof, bool isType,
+                           void *TyOrEx, const SourceRange &ArgRange) {
       llvm::cout << __FUNCTION__ << "\n";
       return 0;
     }