From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id BC2C53858C52; Fri, 12 May 2023 19:19:26 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org BC2C53858C52 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1683919166; bh=wv8y12UVLYN/vqQIW9AyGATxgyVHsYDvogOZuohk3Vk=; h=From:To:Subject:Date:In-Reply-To:References:From; b=snIN8O1/GYR2YiI0PNy3aC8lLS7WPd0TlUKNFp8qZXcPzrvJ6rjzOriHKwlGD18kf hdGTp9hSS7xLDz1PZ/U0sDsZO+59eNXeh+CUHAMd3qOY9Ix+BIY+pm+xRRf3p194hH fouYA+OYtwgQEJiHUG80ewDR0oFgGPFhcHK0RI6M= From: "pinskia 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 19:19:26 +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: pinskia 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 #25 from Andrew Pinski --- (In reply to Alexander Monakov from comment #24) > Appreciate the advice. So far I've managed to reduce the number of LTO > inputs down to two files, RegisterBankInfo.cpp.o plus APInt.cpp.o. I also > built gcc-12.3 with lineinfo and have a better backtrace: >=20 > during GIMPLE pass: thread > /tmp/llvm-project-llvmorg-13.0.1/llvm/lib/CodeGen/GlobalISel/ > RegisterBankInfo.cpp: In member function 'verify': > /tmp/llvm-project-llvmorg-13.0.1/llvm/lib/CodeGen/GlobalISel/ > RegisterBankInfo.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 > const&, irange const&, tree_code) const > ../../gcc-12.3.0/gcc/range-op.cc:3479 > 0x17f8977 operator_bitwise_not::fold_range(irange&, tree_node*, irange > const&, 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_sourc= e&) > ../../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*, > gimple*) > ../../gcc-12.3.0/gcc/gimple-range-path.cc:209 > 0xc99dde path_range_query::internal_range_of_expr(irange&, tree_node*, > gimple*) > ../../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_sourc= e&) > ../../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*, > gimple*) > ../../gcc-12.3.0/gcc/gimple-range-path.cc:209 > 0xc99dde path_range_query::internal_range_of_expr(irange&, tree_node*, > gimple*) > ../../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_sourc= e&) > ../../gcc-12.3.0/gcc/gimple-range-fold.cc:602 > Please submit a full bug report, with preprocessed source (by using > -freport-bug). This looks like a stack overflow happening. To speed up reducing, reducing = the stack size from 8MB (default) down to 4MB might help speed up things.=