https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91742
--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Diego from comment #0) > I read through the c++17 standard and did not find any information about > this behavior being implementation defined. It's not implementation defined, but I think all implementations are required to do what GCC 8 does (and other compilers agree). The current behaviour started with r259123 (before that there was an ICE, introduced by r258755).
