On Fri, 10 Oct 2014, Jakub Jelinek wrote: > Hi! > > As the testcase shows, _Alignof can sometimes return smaller number > than the minimum alignment. That is because when laying out structures, > fields with types with TYPE_USER_ALIGN set have also DECL_USER_ALIGN > set and therefore neither BIGGEST_FIELD_ALIGNMENT nor ADJUST_FIELD_ALIGN > is applied to them, but min_align_of_type was applying that unconditionally. > > Fixed thusly, bootstrapped/regtested on x86_64-linux and i686-linux, ok for > trunk/4.9? > > 2014-10-10 Jakub Jelinek <ja...@redhat.com> > > PR c/63495 > * stor-layout.c (min_align_of_type): Don't decrease alignment > through BIGGEST_FIELD_ALIGNMENT or ADJUST_FIELD_ALIGN if > TYPE_USER_ALIGN is set. > > * gcc.target/i386/pr63495.c: New test.
OK. -- Joseph S. Myers jos...@codesourcery.com
