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Re: [PATCH]: Fix latent bug in tailcall

Daniel Berlin wrote:

> However, due to laziness, etc, they simply call update_ssa, which is an
> incredibly large hammer for what they are doing, and does a ton more work.
> 
Yes, of course.  But this is not news and we discussed it quite
thoroughly in the past.

I thought this was about the invalid SSA left after tailcall?  The
over-reliance on update_ssa is something we still need to address.
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