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Re: Segfault Question

On Mon, 17 Dec 2018 at 15:24, Jakub Jelinek <jakub@redhat.com> wrote:
>
> On Mon, Dec 17, 2018 at 03:11:03PM +0000, Jonathan Wakely wrote:
> > --- a/gcc/cp/constraint.cc
> > +++ b/gcc/cp/constraint.cc
> > @@ -563,7 +563,7 @@ expand_concept (tree decl, tree args)
> >    ++processing_template_decl;
> >    tree result = tsubst_expr (def, args, tf_none, NULL_TREE, true);
> >    --processing_template_decl;
> > -  if (result == error_mark_node)
> > +  if (result == error_mark_node || t == NULL_TREE)
>
> t == NULL_TREE or result == NULL_TREE ?

D'oh, sorry. It should be result (as Nick showed originally, but not
as a patch).
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