From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 13E463858401; Fri, 1 Dec 2023 22:33:26 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 13E463858401 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1701470006; bh=0OkNmKn/NccZR8F2Zhe2G5NKYY6oFoRGCBO2VtzGQFY=; h=From:To:Subject:Date:From; b=H1UTlJu/tPBNE9DGeoKmNcoeOK5FNBAZ3oh/4jHJ52EthcRXjFdZy95QaormXFCak VmkuR1fjVRaOQOK1AU5v+OUWTNbAgQsgH98WDTaMvJH9X89M01VEjDTDrelkUh9jFC BdgbicNt2BW16Cm5KDhFan8v4KbNVp3ifPt4B50Q= From: "sjames at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: =?UTF-8?B?W0J1ZyB0cmVlLW9wdGltaXphdGlvbi8xMTI4MThdIE5ldzogWzE0?= =?UTF-8?B?IHJlZ3Jlc3Npb25dIElDRSB3aGVuIGJ1aWxkaW5nIGFjY2VsLXBwcCAoZXJy?= =?UTF-8?B?b3I6IGNvbnZlcnNpb24gb2YgcmVnaXN0ZXIgdG8gYSBkaWZmZXJlbnQgc2l6?= =?UTF-8?B?ZSBpbiDigJh2aWV3X2NvbnZlcnRfZXhwcuKAmSwgdmVyaWZ5X2dpbXBsZSBm?= =?UTF-8?B?YWlsZWQp?= Date: Fri, 01 Dec 2023 22:32:56 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: sjames at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter target_milestone attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D112818 Bug ID: 112818 Summary: [14 regression] ICE when building accel-ppp (error: conversion of register to a different size in =E2=80=98view_convert_expr=E2=80=99, verify_gimple fail= ed) Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: sjames at gcc dot gnu.org Target Milestone: --- Created attachment 56762 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D56762&action=3Dedit pppoe.c.i Initially reported downstream in Gentoo by Toralf F=C3=B6rster at https://bugs.gentoo.org/918991. ``` [...] /var/tmp/portage/net-dialup/accel-ppp-1.12.0_p20230609/work/accel-pppd/ctrl= /pppoe/pppoe.c: In function =E2=80=98add_tag.constprop.isra=E2=80=99: /var/tmp/portage/net-dialup/accel-ppp-1.12.0_p20230609/work/accel-pppd/ctrl= /pppoe/pppoe.c:736:12: error: conversion of register to a different size in =E2=80=98view_convert_= expr=E2=80=99 736 | static int add_tag(uint8_t *pack, size_t pack_size, int type, const void *data, int len) | ^~~~~~~ VIEW_CONVERT_EXPR(_10); _48 =3D VIEW_CONVERT_EXPR(_10); during GIMPLE pass: slp /var/tmp/portage/net-dialup/accel-ppp-1.12.0_p20230609/work/accel-pppd/ctrl= /pppoe/pppoe.c:736:12: internal compiler error: verify_gimple failed 0x55e876bf0bf1 verify_gimple_in_cfg(function*, bool, bool) =20=20=20=20=20=20=20 /usr/src/debug/sys-devel/gcc-14.0.0.9999/gcc-14.0.0.9999/gcc/tree-cfg.cc:56= 62 0x55e87813950c execute_function_todo =20=20=20=20=20=20=20 /usr/src/debug/sys-devel/gcc-14.0.0.9999/gcc-14.0.0.9999/gcc/passes.cc:2088 0x55e87813950c do_per_function =20=20=20=20=20=20=20 /usr/src/debug/sys-devel/gcc-14.0.0.9999/gcc-14.0.0.9999/gcc/passes.cc:1687 0x55e87813950c execute_todo =20=20=20=20=20=20=20 /usr/src/debug/sys-devel/gcc-14.0.0.9999/gcc-14.0.0.9999/gcc/passes.cc:2142 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See for instructions. ``` I can reproduce with 'gcc -c pppoe.c.i -O2 -march=3Dznver2'.=