From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 165CF385558E; Fri, 12 May 2023 19:10:26 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 165CF385558E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1683918627; bh=dWETgvkkQr5yvDDtjqgabHk+Nbw/hIVDd3JXKh9QXK4=; h=From:To:Subject:Date:In-Reply-To:References:From; b=mPYbt73K31gKb111FPv9ZcoK/0ytQUKpa6I8Lb2T3xZd8dEzFzZl7rYWaT88wFB+e 9L5vmFCFs95QF3TfJXAfA2pBE4iqeCPIgIaqWnqR6LqXlDQOrBrrNqoFJGcZGTpeVg ons4EjYmVgjQkwhSP5A/zSaOQlwi199eohfdJ9C4= From: "amonakov at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/106943] GCC building clang/llvm with LTO flags causes ICE in clang Date: Fri, 12 May 2023 19:10:26 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Version: 12.2.0 X-Bugzilla-Keywords: ice-on-valid-code, needs-reduction X-Bugzilla-Severity: normal X-Bugzilla-Who: amonakov at gcc dot gnu.org X-Bugzilla-Status: WAITING 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: Message-ID: In-Reply-To: References: 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=3D106943 --- Comment #24 from Alexander Monakov --- Appreciate the advice. So far I've managed to reduce the number of LTO inpu= ts down to two files, RegisterBankInfo.cpp.o plus APInt.cpp.o. I also built gcc-12.3 with lineinfo and have a better backtrace: during GIMPLE pass: thread /tmp/llvm-project-llvmorg-13.0.1/llvm/lib/CodeGen/GlobalISel/RegisterBankIn= fo.cpp: In member function 'verify': /tmp/llvm-project-llvmorg-13.0.1/llvm/lib/CodeGen/GlobalISel/RegisterBankIn= fo.cpp:548:6: internal compiler error: Segmentation fault 548 | bool RegisterBankInfo::ValueMapping::verify(unsigned MeaningfulBitWidth) const { | ^ 0xb369ef crash_signal ../../gcc-12.3.0/gcc/toplev.cc:322 0x17f8977 operator_bitwise_not::fold_range(irange&, tree_node*, irange cons= t&, irange const&, tree_code) const ../../gcc-12.3.0/gcc/range-op.cc:3479 0x17f8977 operator_bitwise_not::fold_range(irange&, tree_node*, irange cons= t&, irange const&, tree_code) const ../../gcc-12.3.0/gcc/range-op.cc:3465 0x171cd0a fold_using_range::range_of_range_op(irange&, gimple*, fur_source&) ../../gcc-12.3.0/gcc/gimple-range-fold.cc:608 0x171e7e0 fold_using_range::fold_stmt(irange&, gimple*, fur_source&, tree_node*) ../../gcc-12.3.0/gcc/gimple-range-fold.cc:554 0x171eb4c fold_range(irange&, gimple*, range_query*) ../../gcc-12.3.0/gcc/gimple-range-fold.cc:315 0xc985fd path_range_query::range_of_stmt(irange&, gimple*, tree_node*) ../../gcc-12.3.0/gcc/gimple-range-path.cc:771 0xc99bc4 path_range_query::range_defined_in_block(irange&, tree_node*, basic_block_def*) ../../gcc-12.3.0/gcc/gimple-range-path.cc:356 0xc99dde path_range_query::internal_range_of_expr(irange&, tree_node*, gimp= le*) ../../gcc-12.3.0/gcc/gimple-range-path.cc:209 0xc99dde path_range_query::internal_range_of_expr(irange&, tree_node*, gimp= le*) ../../gcc-12.3.0/gcc/gimple-range-path.cc:193 0xc99ef0 path_range_query::range_of_expr(irange&, tree_node*, gimple*) ../../gcc-12.3.0/gcc/gimple-range-path.cc:225 0x171cabf fold_using_range::range_of_range_op(irange&, gimple*, fur_source&) ../../gcc-12.3.0/gcc/gimple-range-fold.cc:602 0x171e7e0 fold_using_range::fold_stmt(irange&, gimple*, fur_source&, tree_node*) ../../gcc-12.3.0/gcc/gimple-range-fold.cc:554 0x171eb4c fold_range(irange&, gimple*, range_query*) ../../gcc-12.3.0/gcc/gimple-range-fold.cc:315 0xc985fd path_range_query::range_of_stmt(irange&, gimple*, tree_node*) ../../gcc-12.3.0/gcc/gimple-range-path.cc:771 0xc99bc4 path_range_query::range_defined_in_block(irange&, tree_node*, basic_block_def*) ../../gcc-12.3.0/gcc/gimple-range-path.cc:356 0xc99dde path_range_query::internal_range_of_expr(irange&, tree_node*, gimp= le*) ../../gcc-12.3.0/gcc/gimple-range-path.cc:209 0xc99dde path_range_query::internal_range_of_expr(irange&, tree_node*, gimp= le*) ../../gcc-12.3.0/gcc/gimple-range-path.cc:193 0xc99ef0 path_range_query::range_of_expr(irange&, tree_node*, gimple*) ../../gcc-12.3.0/gcc/gimple-range-path.cc:225 0x171ccab fold_using_range::range_of_range_op(irange&, gimple*, fur_source&) ../../gcc-12.3.0/gcc/gimple-range-fold.cc:602 Please submit a full bug report, with preprocessed source (by using -freport-bug).=