https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84245

--- Comment #15 from kargls at comcast dot net ---
(In reply to Paul Thomas from comment #14)
> (In reply to kargls from comment #13)
> > 
> > If something goes wrong, do you possibly need to free expr1 and expr2.
> > Elsewhere in gfc_match_select_type() one seems the the idiom
> > 
> >   if (...)
> >    {
> >      m = MATCH_ERROR;
> >      goto cleanup;
> >   }
> 
> Hi Steve,
> 
> I'm sorry to have taken so long to come back to you on this. Freeing expr1
> and expr2 is precisely the problem. They are so badly screwed up that they
> are causing the segfault. I took the view that it is better to have dangling
> memory than the ICE.
> 

I see.  The code is somewhat difficult to read due to
the handling of expr1 and expr2 with regards to which
one is the selector versus "associate name" expression.

-- 
steve

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