From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 668A33857C64; Mon, 24 Aug 2020 11:39:42 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 668A33857C64 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1598269182; bh=gG0Bw81WeGOmv1z56FBp+3whmb5ZnbvMF6yW6bwg2n4=; h=From:To:Subject:Date:From; b=hKNvF6V5tU8uWqCaDHvbfsmJolGmJXy8QzAL8jwJloTZwK+VEqY5buaueAJzvwjnA 0Legb2pYSg4Wu2SbDc9etaaVcK098pT2zkEp/IuAHl85us2yl3rwc9R00aEvUn+psR ZXJ+z2b06yADIxfkHCDz1KFFX6LAG4Wu5I0/YLrs= From: "asolokha at gmx dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug analyzer/96764] New: [11 Regression] ICE in fold_convert_const_int_from_real, at fold-const.c:2038 Date: Mon, 24 Aug 2020 11:39:42 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: analyzer X-Bugzilla-Version: 11.0 X-Bugzilla-Keywords: 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: dmalcolm 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, 24 Aug 2020 11:39:42 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96764 Bug ID: 96764 Summary: [11 Regression] ICE in fold_convert_const_int_from_real, at fold-const.c:2038 Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: analyzer Assignee: dmalcolm at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- gcc-11.0.0-alpha20200823 snapshot (g:87c753ac241f25d222d46ba1ac66ceba89d6a2= 00) ICEs when compiling the following testcase, reduced from gcc/testsuite/gcc.c-torture/execute/pr36343.c, w/ -fanalyzer: void ar (int *hd) { int **zv =3D &hd; *(double *) zv =3D 0.0; } % gcc-11.0.0 -fanalyzer -c akrcmvle.c during IPA pass: analyzer akrcmvle.c: In function 'ar': akrcmvle.c:5:18: internal compiler error: in fold_convert_const_int_from_re= al, at fold-const.c:2038 5 | *(double *) zv =3D 0.0; | ~~~~~~~~~~~~~~~^~~~~ 0x62f411 fold_convert_const_int_from_real =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gc= c/fold-const.c:2038 0x62f411 fold_convert_const =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gc= c/fold-const.c:2284 0xa711ad fold_unary_loc(unsigned int, tree_code, tree_node*, tree_node*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gc= c/fold-const.c:8732 0x1125ecc ana::region_model_manager::maybe_fold_unaryop(tree_node*, tree_co= de, ana::svalue const*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gc= c/analyzer/region-model-manager.cc:369 0x1125fd8 ana::region_model_manager::get_or_create_unaryop(tree_node*, tree_code, ana::svalue const*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gc= c/analyzer/region-model-manager.cc:382 0x1125fd8 ana::region_model_manager::get_or_create_cast(tree_node*, ana::sv= alue const*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gc= c/analyzer/region-model-manager.cc:404 0x114c203 ana::initial_svalue::implicitly_live_p(hash_set > const&, ana::region_model const*) const =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gc= c/analyzer/svalue.cc:529 0x114c203 ana::initial_svalue::implicitly_live_p(hash_set > const&, ana::region_model const*) const =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gc= c/analyzer/svalue.cc:518 0x1105d59 ana::program_state::detect_leaks(ana::program_state const&, ana::program_state const&, ana::svalue const*, ana::extrinsic_state const&, ana::region_model_context*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gc= c/analyzer/program-state.cc:1028 0x10f607a ana::exploded_graph::process_node(ana::exploded_node*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gc= c/analyzer/engine.cc:2538 0x10f6aca ana::exploded_graph::process_worklist() =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gc= c/analyzer/engine.cc:2341 0x10f8bff ana::impl_run_checkers(ana::logger*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gc= c/analyzer/engine.cc:4107 0x10f981c ana::run_checkers() =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gc= c/analyzer/engine.cc:4175 0x10ee1d8 execute =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gc= c/analyzer/analyzer-pass.cc:84=