https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117784
--- Comment #4 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The trunk branch has been updated by Jason Merrill <ja...@gcc.gnu.org>: 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.