https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111140
--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> --- I think r0-112851-g15694fdd6d84db changed the diagnostic by making -fno-deduce-init-list the default.
redi at gcc dot gnu.org via Gcc-bugs Thu, 24 Aug 2023 13:05:38 -0700
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111140
--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> --- I think r0-112851-g15694fdd6d84db changed the diagnostic by making -fno-deduce-init-list the default.