From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id CC8293858038; Tue, 22 Jun 2021 06:23:34 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org CC8293858038 From: "marxin at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/101160] New: [12 Regression] ICE in df_word_lr_local_compute, at df-problems.c:2962 since r12-1702-g7232f7c4c2d72743 Date: Tue, 22 Jun 2021 06:23:34 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: marxin 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 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: Tue, 22 Jun 2021 06:23:34 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101160 Bug ID: 101160 Summary: [12 Regression] ICE in df_word_lr_local_compute, at df-problems.c:2962 since r12-1702-g7232f7c4c2d72743 Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: marxin at gcc dot gnu.org CC: jason at gcc dot gnu.org Target Milestone: --- The following fails: $ g++ /home/marxin/Programming/gcc/gcc/testsuite/g++.dg/abi/param2.C -O2 during RTL pass: subreg3 /home/marxin/Programming/gcc/gcc/testsuite/g++.dg/abi/param2.C: In function= =E2=80=98S foo(S)=E2=80=99: /home/marxin/Programming/gcc/gcc/testsuite/g++.dg/abi/param2.C:12:1: intern= al compiler error: in df_word_lr_local_compute, at df-problems.c:2962 12 | } | ^ 0x77484b df_word_lr_local_compute /home/marxin/Programming/gcc/gcc/df-problems.c:2962 0xd3c042 df_analyze_problem(dataflow*, bitmap_head*, int*, int) /home/marxin/Programming/gcc/gcc/df-core.c:1171 0xd3cf41 df_analyze_1 /home/marxin/Programming/gcc/gcc/df-core.c:1228 0x1bc3045 init_dce /home/marxin/Programming/gcc/gcc/dce.c:763 0x1bc57e1 run_word_dce() /home/marxin/Programming/gcc/gcc/dce.c:1213 0x1cb93d2 decompose_multiword_subregs /home/marxin/Programming/gcc/gcc/lower-subreg.c:1516 0x1cba94d execute /home/marxin/Programming/gcc/gcc/lower-subreg.c:1816 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See for instructions.=