From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 5F180385E010; Mon, 29 Nov 2021 18:17:59 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 5F180385E010 From: "johelegp at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/103468] New: [modules] ICE Segmentation fault during GIMPLE pass walloca Date: Mon, 29 Nov 2021 18:17:59 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: johelegp at gmail dot com 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 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, 29 Nov 2021 18:17:59 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103468 Bug ID: 103468 Summary: [modules] ICE Segmentation fault during GIMPLE pass walloca Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: johelegp at gmail dot com CC: johelegp at gmail dot com Target Milestone: --- my.std.headers.hpp: ```c++ #include #include ``` my.std.cpp: ```C++ export module my.std; export import "my.std.headers.hpp"; ``` test.cpp: ```C++ import my.std; int main() { std::byte *b{}; std::copy(b, b, b); } ``` Compile commands: ``` g++ -pedantic -Wall -Wextra -Wconversion -g -fmodules-ts -std=3Dc++23 -x c++-header -c my.std.headers.hpp g++ -pedantic -Wall -Wextra -Wconversion -g -fmodules-ts -std=3Dc++23 -c my.std.cpp g++ -pedantic -Wall -Wextra -Wconversion -g -fmodules-ts -std=3Dc++23 -c te= st.cpp ``` Output: ``` during GIMPLE pass: walloca In file included from /home/johel/root/gcc/include/c++/12.0.0/algorithm:60, from my.std.headers.hpp:1, of module ./my.std.headers.hpp, imported at my.std.cpp:3, of module my.std, imported at test.cpp:1: /home/johel/root/gcc/include/c++/12.0.0/bits/stl_algobase.h: In static memb= er function =E2=80=98static constexpr _OI std::__copy_move::__copy_m(_II, _II, _OI) [with _II =3D std::byte*; _OI =3D std::byte*]=E2=80=99: /home/johel/root/gcc/include/c++/12.0.0/bits/stl_algobase.h:380:9: internal compiler error: Segmentation fault 380 | __copy_m(_II __first, _II __last, _OI __result) | ^~~~~~~~ 0x2140f6d internal_error(char const*, ...) ???:0 0xed8190 irange::set_varying(tree_node*) ???:0 0x14f2d91 gimple_range_global(tree_node*) ???:0 0x1f21f7b ranger_cache::get_global_range(irange&, tree_node*) const ???:0 0x1f1ecdb gimple_ranger::export_global_ranges() ???:0 0x1f5de40 pass_walloca::execute(function*) ???:0 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See for instructions. ```=