From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 1CDC9388EC36; Mon, 26 Oct 2020 11:35:17 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 1CDC9388EC36 From: "dcb314 at hotmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/97578] New: ice during IPA pass: inline Date: Mon, 26 Oct 2020 11:35:16 +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: 11.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: dcb314 at hotmail 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 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: Mon, 26 Oct 2020 11:35:17 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97578 Bug ID: 97578 Summary: ice during IPA pass: inline Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: dcb314 at hotmail dot com Target Milestone: --- For this C code: typedef long unsigned int size_t; typedef unsigned char __uint8_t; typedef unsigned int __uint32_t; typedef __uint8_t uint8_t; typedef __uint32_t uint32_t; struct md5_s { uint32_t nblocks; uint8_t buf[64]; int count; }; typedef struct md5_s MD5_CONTEXT; void * md5_write_context; static void md5_write( const void *inbuf_arg , size_t inlen) { const unsigned char *inbuf =3D inbuf_arg; MD5_CONTEXT *hd =3D md5_write_context; if( hd->count =3D=3D 64 ) transform( hd, hd->buf ); hd->nblocks++; if( !inbuf ) return; if( hd->count ) md5_write( 0, 0 ); while( inlen >=3D 64 ) ; for( ; inlen && hd->count < 64; inlen-- ) hd->buf[hd->count++] =3D *inbuf++; } void * md5_final_context; static void md5_final( void) { md5_write( 0, 0); } void AddMD5( const void *data, size_t len ) { md5_write( data, len ); } void EndMD5( struct md5_s *h ) { md5_final( ); } compiled with recent gcc trunk and flag -g -O3, does this: during IPA pass: inline bug659.c: In function =E2=80=98AddMD5=E2=80=99: bug659.c:30:9: internal compiler error: Segmentation fault 30 | md5_write( data, len ); | ^~~~~~~~~~~~~~~~~~~~~~~ 0xbd15df crash_signal ../../trunk.git/gcc/toplev.c:330 0xc4b608 copy_cfg_body ../../trunk.git/gcc/tree-inline.c:3118 The bug first seems to occur sometime between 20201022 and 20201023.=