------- Comment #12 from rguenther at suse dot de 2009-06-04 13:39 ------- Subject: Re: Fortran does not set TYPE_CANONICAL properly
On Thu, 4 Jun 2009, burnus at gcc dot gnu dot org wrote: > ------- Comment #11 from burnus at gcc dot gnu dot org 2009-06-04 12:51 > ------- > (In reply to comment #10) > > That hack is already gone ... ;) > The truck hack yes, the question is whether one can also do something about > the > following? Or is this a wider problem? > > /* ??? Array types are not properly unified in all cases as we have > spurious changes in the index types for example. Removing this > causes all sorts of problems with the Fortran frontend. */ > if (TREE_CODE (type1) == ARRAY_TYPE > && TREE_CODE (type2) == ARRAY_TYPE) > return -1; It's a wider problem. It's char[1:1] vs. char where the FE is very inconsistent, also char[1:] vs. char[1:1], etc. Probably not worth fixing. Maybe after everything else is ... Richard. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38913
