too long lines were shrinked: /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/bits/unordered_set.h:385:23: required from std::pair<typename std::_Hashtable<_Value, _Value, _Alloc, std::__detail::_Identity, _Pred, _Hash, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_pol 385 | { return _M_h.emplace(std::forward<_Args>(__args)...); } | ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /var/tmp/portage/dev-libs/vectorscan-5.4.11/work/vectorscan-vectorscan-5.4.11/src/rose/rose_build_infix.cpp:154:26: required from here 154 | all_edges.emplace(source(e, g), target(e, g)); | ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/bits/hashtable.h:2282:40: error: cannot convert const std::pair<const ue2::graph_detail::vertex_descriptor<ue2::ue2_graph<ue2::NGHolder, ue2::NFAGraphVertexProps, ue2::NFAGraphEdgeProps> >&, const ue2::graph_detail::vertex_descriptor<ue2::ue2_graph 2282 | __kp = std::__addressof(__key); | ~~~~~~~~~~~~~~~~^~~~~~~ ------------------------------------------------------------------- This is an unstable amd64 chroot image at a tinderbox (==build bot) name: 23.0_desktop_plasma-20241113-211502 UNMASKED: <sys-devel/gcc-15.0.9999:15 The attached etc.portage.tar.xz has all details. ------------------------------------------------------------------- gcc-config -l: [1] x86_64-pc-linux-gnu-15 * clang version 19.1.3 llvm-config: 19.1.3 Python 3.12.7 go version go1.23.2 linux/amd64 Available Ruby profiles: [1] ruby32 (with Rubygems) * Available Rust versions: [1] rust-bin-1.81.0 [2] rust-bin-1.82.0 [3] rust-1.82.0 * The following VMs are available for generation-2: 1) Eclipse Temurin JDK 17.0.13_p11 [openjdk-bin-17] *) Eclipse Temurin JDK 21.0.5_p11 [openjdk-bin-21] 3) Eclipse Temurin JDK 8.432_p06 [openjdk-bin-8] Available Java Virtual Machines: [1] openjdk-bin-8 [2] openjdk-bin-17 [3] openjdk-bin-21 system-vm HEAD of ::gentoo commit 8566b21081f24b8ff8c5a8ecadbce83f2bdad484 Author: Repository mirror & CI <repomirrorci@gentoo.org> Date: Mon Nov 18 17:03:30 2024 +0000 2024-11-18 17:03:29 UTC emerge -qpvO =dev-libs/vectorscan-5.4.11 [ebuild N ] dev-libs/vectorscan-5.4.11 CPU_FLAGS_X86="avx2 sse4_2"
Created attachment 909895 [details] emerge-info.txt
Created attachment 909896 [details] dev-libs:vectorscan-5.4.11:20241119-002117.log
Created attachment 909897 [details] emerge-history.txt
Created attachment 909898 [details] environment
Created attachment 909899 [details] etc.clang.tar.xz
Created attachment 909900 [details] etc.portage.tar.xz
Created attachment 909901 [details] logs.tar.xz
Created attachment 909902 [details] qlist-info.txt.xz
Created attachment 909903 [details] temp.tar.xz
Does https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=dffc37deaddf08bd11208a459496b30021700203 help?
(In reply to Sam James from comment #10) > Does > https://gcc.gnu.org/git/?p=gcc.git;a=commit; > h=dffc37deaddf08bd11208a459496b30021700203 help? No, it fails the same with this patch.
Jonathan, does this look like a regression in libstdc++?
Yes. I'm trying to reduce it to a minimal reproducer.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117686
The https://gcc.gnu.org/git/gitweb.cgi?p=gcc.git;h=4484945c538b26da6881f83f664235988e471d40 fixes the issue.
Fixed a few gcc snapshots ago, sorry for forgetting to tag the bug! Thank you again.
