[Bug tree-optimization/72785] [7 Regression] kernel build error since r236831

[ktkachov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72785

ktkachov at gcc dot gnu.org changed:

           What    |Removed                     |Added
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                 CC|                            |ktkachov at gcc dot gnu.org

--- Comment #23 from ktkachov at gcc dot gnu.org ---
(In reply to Markus Trippelsdorf from comment #22)
> (In reply to dhowells@redhat.com from comment #21)
> > (In reply to Markus Trippelsdorf from comment #20)
> > > *** Bug 78879 has been marked as a duplicate of this bug. ***
> > 
> > Kernel bug or not, it should be noted that this means that you cannot use
> > gcc from r236831 to compile any kernel from the introduction and use of
> > ilog2() to the current day - and these kernel versions cannot be
> > retroactively fixed.
> 
> No. I build allmodconfig kernels regularly with gcc trunk and it works fine.

I still hit this when building an allmodconfig arm64 kernel with trunk