https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106788
--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Jason Liam from comment #0) > The following valid program is rejected by gcc 9.3 but accepted by gcc 9.4 > and onwards. Demo link: https://godbolt.org/z/KT3GWP677 The oldest supported release is 10.4, so reporting bugs that are only present in releases older than that is not useful. There's nothing to fix, it already works in all supported branches.