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[Bug tree-optimization/79778] [7 regression] missed optimization causes linux kernel build failure since r245135
- From: "arnd at linaro dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 01 Mar 2017 13:03:42 +0000
- Subject: [Bug tree-optimization/79778] [7 regression] missed optimization causes linux kernel build failure since r245135
- Auto-submitted: auto-generated
- References: <bug-79778-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79778
--- Comment #2 from Arnd Bergmann <arnd at linaro dot org> ---
(In reply to Richard Biener from comment #1)
> Dup of PR72785?
I thought we had worked around PR72785 in the kernel, and I had not run into
that problem until updating my gcc-7.0.1 snapshot yesterday. r245135, which
introduces the problem for me came after the last comment on PR72785.