From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id E12BE3858D28; Tue, 20 Feb 2024 01:14:01 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org E12BE3858D28 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1708391641; bh=gfxEwjnua/EEi9c5ndC1PmwTpTNzxZTQ/CCbs39vRs8=; h=From:To:Subject:Date:From; b=kF7iUKLtwGCL6M+/Ytem4+PvkpHNLd6xWfHFNfHd5L3LBsNYAkSLl41kw7sO9S9gU 0WSIaI1KXwTsC51aec6Ctb11T/pAKtBmgzgqJ/jVc+Q8Jnf1Y1dRQa4qZyt5PNr6kp 4fCLLI661MfJuAE6xfOj+QEoVBpz4gU21DdL719Y= From: "eddiejnolan at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/114005] New: Constructing a constexpr std::initializer_list ICEs GCC when using C++ modules Date: Tue, 20 Feb 2024 01:14:01 +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: 14.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: eddiejnolan 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 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114005 Bug ID: 114005 Summary: Constructing a constexpr std::initializer_list ICEs GCC when using C++ modules Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: eddiejnolan at gmail dot com Target Milestone: --- Constructing a constexpr std::initializer_list at namespace scope causes an= ICE when attempting to compile this module: module; #include export module module1; constexpr std::initializer_list foo{0}; Using the command line: g++ -g -std=3Dgnu++23 -MD -fmodules-ts -MD -fdeps-format=3Dp1689r5 -x c++ -c Compiler explorer link: https://godbolt.org/z/6Te44T6oo Error message: module1.cpp:5:8: internal compiler error: in tree_node, at cp/module.cc:9320 5 | export module math; | ^~~~~~ 0x7adc91 trees_out::tree_node(tree_node*) =20=20=20=20=20=20=20 /tmp/eddie/spack-stage/spack-stage-gcc-master-5txldehejuy5mxnvbocqkauwzyskb= 5oe/spack-src/gcc/cp/module.cc:9320 0xb9dfb2 trees_out::core_vals(tree_node*) =20=20=20=20=20=20=20 /tmp/eddie/spack-stage/spack-stage-gcc-master-5txldehejuy5mxnvbocqkauwzyskb= 5oe/spack-src/gcc/cp/module.cc:6066 0xba16f3 trees_out::tree_node_vals(tree_node*) =20=20=20=20=20=20=20 /tmp/eddie/spack-stage/spack-stage-gcc-master-5txldehejuy5mxnvbocqkauwzyskb= 5oe/spack-src/gcc/cp/module.cc:7241 0xba16f3 trees_out::tree_value(tree_node*) =20=20=20=20=20=20=20 /tmp/eddie/spack-stage/spack-stage-gcc-master-5txldehejuy5mxnvbocqkauwzyskb= 5oe/spack-src/gcc/cp/module.cc:9142 0xb9d430 trees_out::tree_node(tree_node*) =20=20=20=20=20=20=20 /tmp/eddie/spack-stage/spack-stage-gcc-master-5txldehejuy5mxnvbocqkauwzyskb= 5oe/spack-src/gcc/cp/module.cc:9340 0xb9dfb2 trees_out::core_vals(tree_node*) =20=20=20=20=20=20=20 /tmp/eddie/spack-stage/spack-stage-gcc-master-5txldehejuy5mxnvbocqkauwzyskb= 5oe/spack-src/gcc/cp/module.cc:6066 0xba16f3 trees_out::tree_node_vals(tree_node*) =20=20=20=20=20=20=20 /tmp/eddie/spack-stage/spack-stage-gcc-master-5txldehejuy5mxnvbocqkauwzyskb= 5oe/spack-src/gcc/cp/module.cc:7241 0xba16f3 trees_out::tree_value(tree_node*) =20=20=20=20=20=20=20 /tmp/eddie/spack-stage/spack-stage-gcc-master-5txldehejuy5mxnvbocqkauwzyskb= 5oe/spack-src/gcc/cp/module.cc:9142 0xb9d430 trees_out::tree_node(tree_node*) =20=20=20=20=20=20=20 /tmp/eddie/spack-stage/spack-stage-gcc-master-5txldehejuy5mxnvbocqkauwzyskb= 5oe/spack-src/gcc/cp/module.cc:9340 0xb9e0e6 trees_out::core_vals(tree_node*) =20=20=20=20=20=20=20 /tmp/eddie/spack-stage/spack-stage-gcc-master-5txldehejuy5mxnvbocqkauwzyskb= 5oe/spack-src/gcc/cp/module.cc:6473 0xba16f3 trees_out::tree_node_vals(tree_node*) =20=20=20=20=20=20=20 /tmp/eddie/spack-stage/spack-stage-gcc-master-5txldehejuy5mxnvbocqkauwzyskb= 5oe/spack-src/gcc/cp/module.cc:7241 0xba16f3 trees_out::tree_value(tree_node*) =20=20=20=20=20=20=20 /tmp/eddie/spack-stage/spack-stage-gcc-master-5txldehejuy5mxnvbocqkauwzyskb= 5oe/spack-src/gcc/cp/module.cc:9142 0xb9d430 trees_out::tree_node(tree_node*) =20=20=20=20=20=20=20 /tmp/eddie/spack-stage/spack-stage-gcc-master-5txldehejuy5mxnvbocqkauwzyskb= 5oe/spack-src/gcc/cp/module.cc:9340 0xba1a19 trees_out::write_var_def(tree_node*) =20=20=20=20=20=20=20 /tmp/eddie/spack-stage/spack-stage-gcc-master-5txldehejuy5mxnvbocqkauwzyskb= 5oe/spack-src/gcc/cp/module.cc:11768 0xba3bda depset::hash::find_dependencies(module_state*) =20=20=20=20=20=20=20 /tmp/eddie/spack-stage/spack-stage-gcc-master-5txldehejuy5mxnvbocqkauwzyskb= 5oe/spack-src/gcc/cp/module.cc:13427 0xba45e7 module_state::write_begin(elf_out*, cpp_reader*, module_state_conf= ig&, unsigned int&) =20=20=20=20=20=20=20 /tmp/eddie/spack-stage/spack-stage-gcc-master-5txldehejuy5mxnvbocqkauwzyskb= 5oe/spack-src/gcc/cp/module.cc:18000 0xba5b84 finish_module_processing(cpp_reader*) =20=20=20=20=20=20=20 /tmp/eddie/spack-stage/spack-stage-gcc-master-5txldehejuy5mxnvbocqkauwzyskb= 5oe/spack-src/gcc/cp/module.cc:20348 0xb2e0b3 c_parse_final_cleanups() =20=20=20=20=20=20=20 /tmp/eddie/spack-stage/spack-stage-gcc-master-5txldehejuy5mxnvbocqkauwzyskb= 5oe/spack-src/gcc/cp/decl2.cc:5316 0xd88fcf c_common_parse_file() =20=20=20=20=20=20=20 /tmp/eddie/spack-stage/spack-stage-gcc-master-5txldehejuy5mxnvbocqkauwzyskb= 5oe/spack-src/gcc/c-family/c-opts.cc:1329 Please submit a full bug report, with preprocessed source (by using -freport-bug). GCC version tested was built from master on 20240218 using Spack: gcc version 14.0.1 20240218 (experimental) (Spack GCC)=