https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86243
--- Comment #2 from Hannes Hauswedell <h2+bugs at fsfe dot org> --- (In reply to Jonathan Wakely from comment #1) > (In reply to Hannes Hauswedell from comment #0) > > Note that I am not even setting -Wall or -Wextra. > > As documented, -Wattributes is enabled by default and you need to use > -Wno-attributes to disable it. Hm, IMHO this could maybe be reconsidered now that attributes are a standardised feature of the language and the standard explicitly states: "Any attribute-token that is not recognized by the implementation is ignored." I think this was added precisely to make upgrades to new attributes seamless and to support different platform-specific ones. This is not the case if they produce warnings, especially by default. BUT this bug report is primarily about the error and not the warning!
