https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120954
--- Comment #3 from Sam James <sjames at gcc dot gnu.org> --- 15.1: https://godbolt.org/z/3bM5bEY7b 14.3: https://godbolt.org/z/fahjWYEfr 13.4: https://godbolt.org/z/KK3bh5Gz4 12.4: https://godbolt.org/z/fM3c913qh However, when compiling it as C++, I only see it on trunk (but with a few days old builds for the branches).