https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56335
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- See Also| |https://gcc.gnu.org/bugzill | |a/show_bug.cgi?id=87795, | |https://gcc.gnu.org/bugzill | |a/show_bug.cgi?id=89357 Resolution|--- |FIXED Status|NEW |RESOLVED Target Milestone|--- |9.3 --- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- > .comm a,512,134217728 The linker should fail to link if it can't link to 128 MB here. >From JSM's email: > MAX_OFILE_ALIGNMENT (presently just a warning), That was PR 87795 and was fixed in r9-3979-g4c7bd36194e13c . > an object with automatic storage duration has an alignment greater than > MAX_STACK_ALIGNMENT See PR 89357 which removed the constraint for C++ _Alignas as the middle-end supports huge alignments now. So closing as fixed for GCC 9.3.0.