[gcc r14-314] testsuite/C++: cope with IPv6 being unavailable

[gcc r14-314] testsuite/C++: cope with IPv6 being unavailable

[Jan Beulich]

https://gcc.gnu.org/g:9be54d6abad76b0d7f227687bf6b296e562d89fb

commit r14-314-g9be54d6abad76b0d7f227687bf6b296e562d89fb
Author: Jan Beulich <jbeulich@suse.com>
Date:   Fri Apr 28 08:49:35 2023 +0200

    testsuite/C++: cope with IPv6 being unavailable
    
    When IPv6 is disabled in the kernel, the error message coming back from
    Cody::OpenInet6() is different from the sole so far expected one.
    
    gcc/testsuite/
    
            * g++.dg/modules/bad-mapper-3.C: Relax failure pattern.

Diff:
---
 gcc/testsuite/g++.dg/modules/bad-mapper-3.C | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/testsuite/g++.dg/modules/bad-mapper-3.C b/gcc/testsuite/g++.dg/modules/bad-mapper-3.C
index ab14dd39a67..2a57956afc8 100644
--- a/gcc/testsuite/g++.dg/modules/bad-mapper-3.C
+++ b/gcc/testsuite/g++.dg/modules/bad-mapper-3.C
@@ -1,6 +1,6 @@
 //  { dg-additional-options "-fmodules-ts -fmodule-mapper=localhost:172477262" }
 import unique3.bob;
-// { dg-error {failed (connecting|disabled) mapper 'localhost:172477262'} "" { target *-*-* } 0 }
+// { dg-error {failed (socket|connecting|disabled) mapper 'localhost:172477262'} "" { target *-*-* } 0 }
 // { dg-prune-output "fatal error:" }
 // { dg-prune-output "failed to read" }
 // { dg-prune-output "compilation terminated" }