From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 3257C3858C3A; Thu, 4 Nov 2021 04:03:09 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 3257C3858C3A From: "asolokha at gmx dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/103074] New: [11/12 Regression] ICE in lra_assign, at lra-assigns.c:1649 Date: Thu, 04 Nov 2021 04:03:09 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: asolokha at gmx dot com 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 target_milestone cf_gcctarget 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 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Nov 2021 04:03:09 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103074 Bug ID: 103074 Summary: [11/12 Regression] ICE in lra_assign, at lra-assigns.c:1649 Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- Target: x86_64-unknown-linux-gnu gcc-12.0.0-alpha20211031 snapshot (g:ca84f39399fda80c770306465276ffd66d3766= ed) ICEs when compiling the following testcase, which could expose UB in run ti= me, w/ -march=3Dbonnell -Os -fPIC -fschedule-insns: void serialize_collection (char *ptr, int a, int need_owner) { if (need_owner) __builtin_sprintf(ptr, "%d:%d", 0, a); else { static char buff[32]; __builtin_sprintf(buff, "%d:%d", a >> 32, a); __builtin_sprintf(ptr, "%d:%d:\"%s\"", 0, 0, buff); } } % x86_64-unknown-linux-gnu-gcc-12.0.0 -march=3Dbonnell -Os -fPIC -fschedule= -insns -c jmolltrp.c jmolltrp.c: In function 'serialize_collection': jmolltrp.c:10:42: warning: right shift count >=3D width of type [-Wshift-count-overflow] 10 | __builtin_sprintf(buff, "%d:%d", a >> 32, a); | ^~ during RTL pass: reload jmolltrp.c:13:1: internal compiler error: in lra_assign, at lra-assigns.c:1= 649 13 | } | ^ 0xce9af3 lra_assign(bool&) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20211031/work/gcc-12-20211031/gc= c/lra-assigns.c:1649 0xce3da4 lra(_IO_FILE*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20211031/work/gcc-12-20211031/gc= c/lra.c:2387 0xc9c029 do_reload =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20211031/work/gcc-12-20211031/gc= c/ira.c:5932 0xc9c029 execute =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20211031/work/gcc-12-20211031/gc= c/ira.c:6118=