--- a/gcc/testsuite/g++.dg/cpp0x/auto52.C	Thu Oct 25 07:37:49 2018 +0900
+++ b/gcc/testsuite/g++.dg/cpp0x/auto52.C	Thu Feb 13 11:34:05 2020 +0900
@@ -2,5 +2,5 @@
 // { dg-do compile { target c++11 } }
 
 using T = auto() -> int;
-using U = void() -> int; // { dg-error "function with trailing return type not declared with .auto." }
-using W = auto(); // { dg-error "invalid use of .auto." }
+using U = void() -> int; // { dg-error "11:.type name. function with trailing return type not declared with .auto." }
+using W = auto(); // { dg-error "11:.*auto." }