From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 839E83858D28; Wed, 6 Apr 2022 18:28:25 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 839E83858D28 From: "gscfq@t-online.de" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/105188] New: ICE in rtl_verify_bb_pointers, at cfgrtl.cc:2829 Date: Wed, 06 Apr 2022 18:28:25 +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: X-Bugzilla-Severity: normal X-Bugzilla-Who: gscfq@t-online.de 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 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: Wed, 06 Apr 2022 18:28:25 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105188 Bug ID: 105188 Summary: ICE in rtl_verify_bb_pointers, at cfgrtl.cc:2829 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: gscfq@t-online.de Target Milestone: --- Affects versions down to at least r5, at -O1+ : (gcc configured with --enable-checking=3Dyes) $ cat z1.cc typedef struct { char c[0x40000000]; } s; void f (s); int g (s *x) { f (*x); } $ g++-12-20220403 -c z1.cc -O2 z1.cc: In function 'int g(s*)': z1.cc:6:1: warning: no return statement in function returning non-void [-Wreturn-type] 6 | } | ^ z1.cc:5:5: sorry, unimplemented: passing too large argument on stack 5 | f (*x); | ~~^~~~ during RTL pass: expand z1.cc:6:1: internal compiler error: Segmentation fault 6 | } | ^ 0x10d3b0f crash_signal ../../gcc/toplev.cc:322 0xb90233 rtl_verify_bb_pointers ../../gcc/cfgrtl.cc:2829 0xb90233 rtl_verify_flow_info_1 ../../gcc/cfgrtl.cc:2881 0xb90de2 rtl_verify_flow_info ../../gcc/cfgrtl.cc:3126 0xb7028a verify_flow_info() ../../gcc/cfghooks.cc:282 0x1e1e243 checking_verify_flow_info ../../gcc/cfghooks.h:214 0x1e1e243 try_optimize_cfg ../../gcc/cfgcleanup.cc:2980 0x1e1e2e3 cleanup_cfg(int) ../../gcc/cfgcleanup.cc:3143 0xb6d1c6 execute ../../gcc/cfgexpand.cc:6971=