https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69368
--- Comment #16 from Jakub Jelinek <jakub at gcc dot gnu.org> --- (In reply to Dominique d'Humieres from comment #14) > > But I guess even this doesn't help, while it will help poor man's flexible > > array members in C/C++, in this Fortran case the problem is that there is > > COMMON /FMCOM/ X(1) > > in this TU, while > > COMMON /FMCOM / X(1000000) > > in some other TU, and get_ref_base_and_extent caps maxsize at > > DECL_SIZE - bit_offset (which is generally right, but Fortran COMMON > > is just weird). > > This invalid Fortran. Yes, but this is SPEC2k6, so we need some workaround or workaround option or something for that I'm afraid. > > So, perhaps we want some flag on the Fortran COMMON decls that would be > > set on COMMON that ends with an array and would tell get_ref_base_and_extent > > (and other spots?) that accesses can be beyond end of the decl? > > Related to/ duplicate of pr44882?
