Date: Thu, 30 May 2024 15:18:54 +0200 From: Dimitry Andric <dim@FreeBSD.org> To: Colin Percival <cperciva@tarsnap.com> Cc: "src-committers@freebsd.org" <src-committers@FreeBSD.org>, "dev-commits-src-all@freebsd.org" <dev-commits-src-all@FreeBSD.org>, "dev-commits-src-main@freebsd.org" <dev-commits-src-main@FreeBSD.org> Subject: Re: git: 3a0793336edf - main - Merge llvm-project release/18.x llvmorg-18.1.6-0-g1118c2e05e67 Message-ID: <080963CB-7D8C-4F96-94AC-39E07597C94E@FreeBSD.org> In-Reply-To: <0100018fc9593a08-ab77676e-117a-4b79-9e87-b85db35c72a3-000000@email.amazonses.com> References: <202405241559.44OFxHbI038322@gitrepo.freebsd.org> <0100018fc770df1b-2a8b8552-4730-40d3-8439-3f5553c45e04-000000@email.amazonses.com> <C807A0C0-AE7D-488B-854E-81C4D8E95ABA@FreeBSD.org> <0100018fc9593a08-ab77676e-117a-4b79-9e87-b85db35c72a3-000000@email.amazonses.com>
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On 30 May 2024, at 13:53, Colin Percival <cperciva@tarsnap.com> wrote: >=20 > On 5/30/24 02:06, Dimitry Andric wrote: >> On 30 May 2024, at 05:00, Colin Percival <cperciva@tarsnap.com> = wrote: >>> On 5/24/24 08:59, Dimitry Andric wrote: >>>> commit 3a0793336edfc21cb6d4c8c5c5d7f1665f3e6c5a >>>> Merge llvm-project release/18.x llvmorg-18.1.6-0-g1118c2e05e67 >>>> This updates llvm, clang, compiler-rt, libc++, libunwind, = lld, lldb and >>>> openmp to llvm-project release/18.x = llvmorg-18.1.6-0-g1118c2e05e67. >>>=20 >>> This broke the weekly snapshot builds for powerpc* platforms. It = looks like >>> we have the same issue as = https://github.com/llvm/llvm-project/issues/92991 >>> (failure is "Running pass 'PPC Merge String Pool' on module = '/usr/src/crypto/openssh/sshkey.c'.") so hopefully importing the fix = from that issue can fix >>> them for next week. >> I tried reproducing the crash with a "make buildworld TARGET=3Dpowerpc >> TARGET_ARCH=3Dpowerpc64", but it worked just fine for me. Is there = any way >> to reproduce this on a non-PowerPC host? >=20 > There seems to be some indeterminacy going on here; all four powerpc* > platforms broke for 15.x, but the stable/13 and stable/14 builds = (which > I think have the same llvm code) worked fine. The weekly snapshot = builds > happen on amd64 hardware, so using a powerpc host is not required. >=20 >> That said, I will be happy to import the fix, but it would be nice if = I >> can verify that it is really solving the problem. :) >=20 > I have the files from the failed builds, so I can give you the logs = and the > preprocessed source and build script that clang reported. That might = be > enough to reproduce it? Let me know if you'd like those. I have been able to reproduce it now, using the .bc file from = <https://github.com/llvm/llvm-project/issues/92991#issuecomment-2125387055= >. I can confirm that the upstream fix solves the crash, and will commit it later today. This uses the default MFC timeout of 3 days, is that early enough for the next snapshot builds? -Dimitry
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