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Re: [PATCH]: Fix latent bug in tailcall
> anyway, it means either running ssa update, or preserving full ssa form
> (which we did not do for quite some time, so it would probably require
> some changes to other parts of gcc).
>
> Zdenek
>
Honestly, i'd rather try option 2.
I still believe the general ssa updater was a bad idea, as shown by the
fact that it is the source of most time spent in the middle-end on a lot
of testcases.
It is simply used as a crutch for avoiding thinking about how to
properly update the ssa form.