From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 770203857C4D; Wed, 19 Aug 2020 02:28:14 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 770203857C4D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1597804094; bh=BKcv1I8xFSLHSMzT0ZQGxRpcP2e7Ki4sJjX8qNPS5pQ=; h=From:To:Subject:Date:From; b=y6xie55Bu0gItoXtMf4jjjPSlapPcJ2H2KQ3KOX3ixFzi147WzvsWlyUHBaCYO8bs iJCKPgSYES7bzB5070tppKZhGnI5NT1bCxFtuMsQel7+IYst8lRStklci8WiXY+Ipa n5N69bENPnGZyOTMq2Z1kQ1+bVxivMUlnHS4ql+A= From: "asolokha at gmx dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug analyzer/96699] New: [11 Regression] ICE in fold_convert_const_int_from_real, at fold-const.c:2038 Date: Wed, 19 Aug 2020 02:28:14 +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: Wed, 19 Aug 2020 02:28:14 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96699 Bug ID: 96699 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-alpha20200816 snapshot (g:c99116aeeb9644ebddec653ee8b19de4d38b65= bd) ICEs when compiling the following testcase w/ -fanalyzer: struct qi { union { int hj; float sl; }; }; void i2 (struct qi *la) { if (la->hj =3D=3D 0) la->sl =3D 0.0f; } % gcc-11.0.0 -fanalyzer -c lnlqkm5b.c during IPA pass: analyzer lnlqkm5b.c: In function 'i2': lnlqkm5b.c:12:12: internal compiler error: in fold_convert_const_int_from_r= eal, at fold-const.c:2038 12 | la->sl =3D 0.0f; | ~~~~~~~^~~~~~ 0x62e70b fold_convert_const_int_from_real =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200816/work/gcc-11-20200816/gc= c/fold-const.c:2038 0x62e70b fold_convert_const =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200816/work/gcc-11-20200816/gc= c/fold-const.c:2284 0xa7016d 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_alpha20200816/work/gcc-11-20200816/gc= c/fold-const.c:8731 0x1123e9c 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_alpha20200816/work/gcc-11-20200816/gc= c/analyzer/region-model-manager.cc:369 0x1123f8a 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_alpha20200816/work/gcc-11-20200816/gc= c/analyzer/region-model-manager.cc:382 0x1123f8a 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_alpha20200816/work/gcc-11-20200816/gc= c/analyzer/region-model-manager.cc:399 0x114a1f3 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_alpha20200816/work/gcc-11-20200816/gc= c/analyzer/svalue.cc:529 0x114a1f3 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_alpha20200816/work/gcc-11-20200816/gc= c/analyzer/svalue.cc:518 0x184ad0d ana::dead_svalue_purger::should_purge_p(ana::svalue const*) const =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200816/work/gcc-11-20200816/gc= c/analyzer/constraint-manager.cc:1613 0x184ad0d void ana::constraint_manager::purge(ana::dead_svalue_pu= rger const&, ana::purge_stats*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200816/work/gcc-11-20200816/gc= c/analyzer/constraint-manager.cc:1494 0x1849fa6 ana::constraint_manager::on_liveness_change(hash_set > const&, ana::region_model const*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200816/work/gcc-11-20200816/gc= c/analyzer/constraint-manager.cc:1630 0x1103f5d 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_alpha20200816/work/gcc-11-20200816/gc= c/analyzer/program-state.cc:1037 0x10f430a ana::exploded_graph::process_node(ana::exploded_node*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200816/work/gcc-11-20200816/gc= c/analyzer/engine.cc:2538 0x10f4d5a ana::exploded_graph::process_worklist() =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200816/work/gcc-11-20200816/gc= c/analyzer/engine.cc:2341 0x10f6e8f ana::impl_run_checkers(ana::logger*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200816/work/gcc-11-20200816/gc= c/analyzer/engine.cc:4107 0x10f7aac ana::run_checkers() =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200816/work/gcc-11-20200816/gc= c/analyzer/engine.cc:4175 0x10ec468 execute =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200816/work/gcc-11-20200816/gc= c/analyzer/analyzer-pass.cc:84=