[gcc r16-2264] c++: decomp25 vs -fimplicit-constexpr [PR117784]

[Jason Merrill via Gcc-cvs]

https://gcc.gnu.org/g:9956dc37cb3d71c1fc7a89b45cc291645c11817b

commit r16-2264-g9956dc37cb3d71c1fc7a89b45cc291645c11817b
Author: Jason Merrill <ja...@redhat.com>
Date:   Tue Jul 15 10:46:41 2025 -0400

    c++: decomp25 vs -fimplicit-constexpr [PR117784]
    
    Avoid diagnostic changes from -fimplicit-constexpr.
    
            PR c++/117784
    
    gcc/testsuite/ChangeLog:
    
            * g++.dg/cpp26/decomp25.C: Add -fno-implicit-constexpr.

Diff:
---
 gcc/testsuite/g++.dg/cpp26/decomp25.C | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/testsuite/g++.dg/cpp26/decomp25.C 
b/gcc/testsuite/g++.dg/cpp26/decomp25.C
index 55559f0c0c22..f3956853042d 100644
--- a/gcc/testsuite/g++.dg/cpp26/decomp25.C
+++ b/gcc/testsuite/g++.dg/cpp26/decomp25.C
@@ -1,6 +1,6 @@
 // C++26 P2686R4 - constexpr structured bindings
 // { dg-do compile { target c++11 } }
-// { dg-options "" }
+// { dg-options "-fno-implicit-constexpr" }
 
 namespace std {
   template <typename T> struct tuple_size;