https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102043
--- Comment #36 from rguenther at suse dot de <rguenther at suse dot de> --- On Sun, 27 Mar 2022, mikael at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102043 > > --- Comment #35 from Mikael Morin <mikael at gcc dot gnu.org> --- > A little status update. > > I have pushed the latest patch attached to this PR a little further, but not > far enough to reduce the number of testsuite regressions to 0. > > I plan to submit it for gcc-13, but it won’t make it for gcc-12. > > (In reply to Richard Biener from comment #33) > > With > > a single dimension there's not much value in using ARRAY_REF over > > pointer arithmetic and dereference. > > I have tried to fix this PR using pointer arithmetic too. > But there are so many places in the frontend where we expect to have an array > type when dereferencing a descriptor pointer, that it’s not as simple as it > seems and I finally convinced myself that the patch attached to this PR was > the > best way to go. OK. > For gcc-12, is there a way to add a middle-end workaround using annotations on > descriptor types (a lang flag or something) ? I will think of what options we have to work around this in the middle-end (maybe with help of the frontend during gimplification).
