https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82991
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
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Depends on| |67797
--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #5)
> Another concern was tail-call optimization which needs to learn that
I have a fix for that which I will be posting either tonight or tomorrow (PR
67797 has the old patch but I improved it after the other IPA-VRP tail call
improvements).
Referenced Bugs:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67797
[Bug 67797] builtin functions should be able to know when their first argument
is returned for tail calls