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[Bug tree-optimization/72785] [7 Regression] kernel build error since r236831
- From: "trippels at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 21 Dec 2016 11:59:33 +0000
- Subject: [Bug tree-optimization/72785] [7 Regression] kernel build error since r236831
- Auto-submitted: auto-generated
- References: <bug-72785-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72785
--- Comment #22 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
(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.