From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 908243858C20; Tue, 22 Nov 2022 07:34:02 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 908243858C20 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1669102442; bh=0leO9913BA8UfXcu/C0S5xaeeUv3U100S7oql8Dy7bo=; h=From:To:Subject:Date:From; b=WPEPrMPfaPDX3QQCaQNmfHbNweHZlwb1TGU3M5gX1S2QaLoh5UexiPNUZ0eJt5zHd eXRk4Zr4qfN8ALfl5g+OmmGUA2teJW/fqfj6bjbwO28J3LGuuFAfJqJEZnpAT8Jd/8 UDbar/S+jn0XCxRDbbC0VKQpHpnkucyvlyzLgjYE= From: "marxin at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/107803] New: [13 Regression] ICE in init_from_control_deps, at gimple-predicate-analysis.cc:1699 since r13-2314-ga8ebd27d0ab69b Date: Tue, 22 Nov 2022 07:34:02 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 13.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: marxin at gcc dot gnu.org 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 keywords bug_severity priority component assigned_to reporter cc 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107803 Bug ID: 107803 Summary: [13 Regression] ICE in init_from_control_deps, at gimple-predicate-analysis.cc:1699 since r13-2314-ga8ebd27d0ab69b Product: gcc Version: 13.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: marxin at gcc dot gnu.org CC: rguenth at gcc dot gnu.org Target Milestone: --- The following crashes: $ cat ~/Programming/testcases/feasible.ii void printf(...); void __sigsetjmp_cancel() __attribute__((__returns_twice__)); int z, main_ret; void func(void *) {} int main() { int x; void (*__cancel_routine)(void *)(func); __sigsetjmp_cancel(); __cancel_routine(0); if (main_ret) x =3D z; printf(x); } $ ./xgcc -B. ~/Programming/testcases/feasible.ii -fno-tree-dominator-opts -= O1 -Wmaybe-uninitialized -fno-tree-fre -c during GIMPLE pass: uninit /home/marxin/Programming/testcases/feasible.ii: In function =E2=80=98int ma= in()=E2=80=99: /home/marxin/Programming/testcases/feasible.ii:7:1: internal compiler error= : in init_from_control_deps, at gimple-predicate-analysis.cc:1699 7 | main() { | ^~~~ 0x2dd8fb3 predicate::init_from_control_deps(vec const*, unsigned int, bool) /home/marxin/Programming/gcc2/gcc/gimple-predicate-analysis.cc:1699 0x2dd9aab uninit_analysis::init_use_preds(predicate&, basic_block_def*, basic_block_def*) /home/marxin/Programming/gcc2/gcc/gimple-predicate-analysis.cc:1943 0x2dda1be uninit_analysis::is_use_guarded(gimple*, basic_block_def*, gphi*, unsigned int, hash_set >*) /home/marxin/Programming/gcc2/gcc/gimple-predicate-analysis.cc:2094 0x2dda349 uninit_analysis::is_use_guarded(gimple*, basic_block_def*, gphi*, unsigned int) /home/marxin/Programming/gcc2/gcc/gimple-predicate-analysis.cc:2135 0x1b7ff35 find_uninit_use /home/marxin/Programming/gcc2/gcc/tree-ssa-uninit.cc:1238 0x1b80277 warn_uninitialized_phi /home/marxin/Programming/gcc2/gcc/tree-ssa-uninit.cc:1308 0x1b806f9 execute_late_warn_uninitialized /home/marxin/Programming/gcc2/gcc/tree-ssa-uninit.cc:1426 0x1b807f9 execute /home/marxin/Programming/gcc2/gcc/tree-ssa-uninit.cc:1442 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See for instructions.=