------- Comment #11 from rguenther at suse dot de 2007-08-22 15:03 ------- Subject: Re: C front-end produces mis-match types in MODIFY_EXPR
On Wed, 22 Aug 2007, joseph at codesourcery dot com wrote: > Subject: Re: C front-end produces mis-match types in MODIFY_EXPR > > On Wed, 22 Aug 2007, rguenther at suse dot de wrote: > > > As far as I see we still need to re-instantiate transitiveness > > of useless_type_converison_p somehow, by handling all of the > > aggregate type compatibilities in the middle-end without dispatching > > back to the frontends. Like with something like > > Arrays aren't the only case where C type compatibility isn't transitive. > For example, two enums compatible with the same integer type aren't > compatible with each other. They are as far as the middle-end is concerned, so this is a non-issue there. The issue is really that for all aggregate types we still ask the frontend via the langhook for middle-end type compatibility. Richard. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22371