From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 994B93857836; Sun, 23 May 2021 17:07:03 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 994B93857836 From: "cnsun at uwaterloo dot ca" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/100732] New: ICE: in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.c:824 Date: Sun, 23 May 2021 17:07:03 +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: tree-ssa X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: cnsun at uwaterloo dot ca 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: Sun, 23 May 2021 17:07:03 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100732 Bug ID: 100732 Summary: ICE: in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.c:824 Product: gcc Version: tree-ssa Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: cnsun at uwaterloo dot ca Target Milestone: --- $ gcc-trunk -v Using built-in specs. COLLECT_GCC=3Dgcc-trunk COLLECT_LTO_WRAPPER=3D/scratch/software/gcc-trunk/libexec/gcc/x86_64-pc-lin= ux-gnu/12.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /tmp/tmp.bSd6dDcXdE-gcc-builder/gcc/configure --enable-languages=3Dc,c++,lto --enable-checking-yes --enable-multiarch --prefix=3D/scratch/software/gcc-trunk --disable-bootstrap Thread model: posix Supported LTO compression algorithms: zlib gcc version 12.0.0 20210523 (experimental) [master revision :c92372ce3:15d30d2f20794d29ceabcfd57d230d6387284115] (GCC) $ cat mutant.c d4(i) { __builtin_sprintf(d4, "%s", i); } $ gcc-trunk -O3 -Wall mutant.c mutant.c:1:1: warning: return type defaults to =E2=80=98int=E2=80=99 [-Wimp= licit-int] 1 | d4(i) { __builtin_sprintf(d4, "%s", i); } | ^~ mutant.c: In function =E2=80=98d4=E2=80=99: mutant.c:1:1: warning: type of =E2=80=98i=E2=80=99 defaults to =E2=80=98int= =E2=80=99 [-Wimplicit-int] mutant.c:1:27: warning: passing argument 1 of =E2=80=98__builtin_sprintf=E2= =80=99 from incompatible pointer type [-Wincompatible-pointer-types] 1 | d4(i) { __builtin_sprintf(d4, "%s", i); } | ^~ | | | int (*)() mutant.c:1:27: note: expected =E2=80=98char *=E2=80=99 but argument is of t= ype =E2=80=98int (*)()=E2=80=99 mutant.c:1:33: warning: format =E2=80=98%s=E2=80=99 expects argument of typ= e =E2=80=98char *=E2=80=99, but argument 3 has type =E2=80=98int=E2=80=99 [-Wformat=3D] 1 | d4(i) { __builtin_sprintf(d4, "%s", i); } | ~^ ~ | | | | | int | char * | %d mutant.c:1:41: warning: control reaches end of non-void function [-Wreturn-type] 1 | d4(i) { __builtin_sprintf(d4, "%s", i); } | ^ during GIMPLE pass: uninit mutant.c:1:1: internal compiler error: in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.c:824 1 | d4(i) { __builtin_sprintf(d4, "%s", i); } | ^~ 0x7750a5 ao_ref_init_from_ptr_and_range /tmp/tmp.bSd6dDcXdE-gcc-builder/gcc/gcc/tree-ssa-alias.c:824 0x113b3b1 maybe_warn_pass_by_reference /tmp/tmp.bSd6dDcXdE-gcc-builder/gcc/gcc/tree-ssa-uninit.c:545 0x113b3b1 warn_uninitialized_vars /tmp/tmp.bSd6dDcXdE-gcc-builder/gcc/gcc/tree-ssa-uninit.c:659 0x114056a execute /tmp/tmp.bSd6dDcXdE-gcc-builder/gcc/gcc/tree-ssa-uninit.c:3030 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See for instructions.=