From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 003DE3858D37; Tue, 2 Jan 2024 14:14:17 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 003DE3858D37 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1704204858; bh=VROE2Xfmk48kWJ6rjMy0XMbhYoKdtEX9AG3XsiLf7SQ=; h=From:To:Subject:Date:From; b=KI3Ul/ZFrbXtguw5Yb1Zq0m5qFmACU24l6YOEjP8BuPmKlPOvg1/ICjjDG99HfIb7 CZ8BoVsbrA6FNE+YM4FaeI8VQMFG44krdMhbaVvAszh1NORy4Tl5aiU5RzwboYlVNb txhsRCnsOtgjCIcTC3OsoeJH9jYAAQNLDIDmHEg0= From: "burnus at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/113199] New: [14 Regression][GCN] ICE (segfault) when compiling Newlib Date: Tue, 02 Jan 2024 14:14:16 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: ice-on-invalid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: burnus 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 keywords bug_severity priority component assigned_to reporter cc 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=3D113199 Bug ID: 113199 Summary: [14 Regression][GCN] ICE (segfault) when compiling Newlib Product: gcc Version: 14.0 Status: UNCONFIRMED Keywords: ice-on-invalid-code Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: burnus at gcc dot gnu.org CC: ams at gcc dot gnu.org, tnfchris at gcc dot gnu.org Target Milestone: --- Created attachment 56974 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D56974&action=3Dedit Reduced testcase This is with mainline - with the patch for PR113163 applied, i.e. https://gcc.gnu.org/pipermail/gcc-patches/2023-December/641555.html Compiling Newlib's libc/time/wcsftime.c fails as follows. Here for the reduced testcase, compiling it with: gcc -O2 input7.i=20 during GIMPLE pass: vect input7.i: In function '__strftime': input7.i:14:1: internal compiler error: Segmentation fault 14 | __strftime (wchar_t *s, size_t maxsize, const wchar_t *format, | ^~~~~~~~~~ 0x11dcbff crash_signal src/gcc-mainline/gcc/toplev.cc:316 0x7f0481ea008f ??? =20=20=20=20=20=20=20 /build/glibc-wuryBv/glibc-2.31/signal/../sysdeps/unix/sysv/linux/x86_64/sig= action.c:0 0x1222566 contains_struct_check(tree_node*, tree_node_structure_enum, char const*, int, char const*) src/gcc-mainline/gcc/tree.h:3757 0x1222566 verify_gimple_assign_ternary src/gcc-mainline/gcc/tree-cfg.cc:4334 0x1227c8e verify_gimple_in_cfg(function*, bool, bool) src/gcc-mainline/gcc/tree-cfg.cc:5602 0x10cde64 execute_function_todo src/gcc-mainline/gcc/passes.cc:2088 0x10ce3ab execute_todo src/gcc-mainline/gcc/passes.cc:2142 * * * verify_gimple_assign_ternary (stmt=3D0x7ffff7bdb060) at /net/build5-fossa-cs/scratch/tburnus/fsf.mainline.x86_64-linux-gnu-amdgcn/s= rc/gcc-mainline/gcc/tree-cfg.cc:4334 4334 tree rhs3_type =3D TREE_TYPE (rhs3); (gdb) p rhs3 $1 =3D (tree) 0x0 (gdb) up #1 0x0000000001227c8f in verify_gimple_in_cfg (fn=3D0x7ffff7ba4228, verify_nothrow=3Dverify_nothrow@entry=3Dtrue, ice=3Dice@entry=3Dtrue) at /net/build5-fossa-cs/scratch/tburnus/fsf.mainline.x86_64-linux-gnu-amdgcn/s= rc/gcc-mainline/gcc/tree-cfg.cc:5602 5602 err2 |=3D verify_gimple_stmt (stmt); (gdb) p stmt $2 =3D (gimple *) 0x7ffff7bdb060 (gdb) p debug_gimple_stmt(stmt) loop_mask_46 =3D VEC_PERM_EXPR ;=