[Bug tree-optimization/65388] Wrong comparison in same_succ_def::equal() tree-ssa-tail-merge.c:590

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65388

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2015-03-11
           Assignee|unassigned at gcc dot gnu.org      |mpolacek at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #4)
> Ah, we have PR54979 for that already...
> Marek, would you be interested to look at this in stage1?

Yes, I am; we should be able to warn in such egregious cases.  Similar issues:
PR64249, PR63357.

Taking this one...