https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115670
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |missed-optimization Ever confirmed|0 |1 Summary|missed optimization - dead |auto return type does not |code elimination for |change the linkage for |anonymous structures |anonymous structs Status|UNCONFIRMED |NEW Severity|normal |enhancement Last reconfirmed| |2024-06-26 --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Confirmed. Doing: ``` decltype(a) bar(){ return a; } ``` GCC is able to change the linkage of bar. it is just auto which is not handled.