testsuite: Fix up ucn-1.C for C++26

On Fri, Jul 26, 2024 at 11:43:13AM -0400, Jason Merrill wrote:
> I'm now seeing a -std=c++26 failure on g++.dg/cpp/ucn-1.C.

I don't remember seeing it when I wrote the patch, but today I see it as
well.

2024-07-26  Jakub Jelinek  <jakub@redhat.com>

	* g++.dg/cpp/ucn-1.C (main): Expect error on c\u0024c identifier also
	for C++26.

diff --git a/gcc/testsuite/g++.dg/cpp/ucn-1.C b/gcc/testsuite/g++.dg/cpp/ucn-1.C
index 9596a429650577d1e4e1c1af72f42353a0fdcea9..8277d2effd525cc47b4345738ed51661ae4fc5c8 100644 (file)
--- a/gcc/testsuite/g++.dg/cpp/ucn-1.C
+++ b/gcc/testsuite/g++.dg/cpp/ucn-1.C
@@ -9,7 +9,7 @@ int main()
 
   int c\u0041c;                // { dg-error "not valid in an identifier" }
                // $ is OK on most targets; not part of basic source char set
-  int c\u0024c;        // { dg-error "not valid in an identifier" "" { target { powerpc-ibm-aix* } } }
+  int c\u0024c;        // { dg-error "not valid in an identifier" "" { target { { powerpc-ibm-aix* } || c++26 } } }
 
   U"\uD800";             // { dg-error "not a valid universal character" }