[From nobody Tue May 26 11:07:15 2026 Received: (at submit) by bugs.debian.org; 28 Aug 2023 07:49:54 +0000 X-Spam-Checker-Version: SpamAssassin 3.4.6-bugs.debian.org_2005_01_02 (2021-04-09) on buxtehude.debian.org X-Spam-Level: X-Spam-Status: No, score=-10.2 required=4.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,HAS_PACKAGE,SPF_HELO_PASS, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6-bugs.debian.org_2005_01_02 X-Spam-Bayes: score:0.0000 Tokens: new, 19; hammy, 149; neutral, 40; spammy, 1. spammytokens:0.945-+--H*r:bugs.debian.org hammytokens:0.000-+--trixie, 0.000-+--libgccs1, 0.000-+--libgcc-s1, 0.000-+--aarch64, 0.000-+--sk:aarch64 Return-path: <sl.lmysyibrg4ytoojqhaytilbaha3tamrsgnoq.4re2fxa7hfafe@slmail.me> Received: from mail-200167.simplelogin.co ([176.119.200.167]:21833) by buxtehude.debian.org with esmtps (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.94.2) (envelope-from <sl.lmysyibrg4ytoojqhaytilbaha3tamrsgnoq.4re2fxa7hfafe@slmail.me>) id 1qaX0T-0083FB-LD for submit@bugs.debian.org; Mon, 28 Aug 2023 07:49:53 +0000 ARC-Seal: i=1; a=rsa-sha256; d=simplelogin.co; s=arc-20230626; t=1693208580; cv=none; b=GXqxTyHz8NrPppMwga0S9T8pmnEk4TRk+qjYDM0P29zgbt2Wgo/kUSnRVbjm43Tujptyce0cmKlFaFVwl63si/VWw+3EFFFzoZH098D7FyWyAUPF++D7X649aszVt1ERufJq1TghUpVuPVHUegYNX65dv/VSrQyi24qa1r9Q4I3aklGt/OVhitEd8JWKEyBjYdBZG2lAs+Uj3zBk73906beTVLJtquU3qH04aijYi+CYol3lKVGYWyVgInzM+nOErY4wGHDpB78vxUNUBHGS0OKNUhR57S6ddNRIvO+1tEN2OtAv+P8LBij6CL5zJADkfDuBFo/r2jQWPiqmEAX5+w== ARC-Message-Signature: i=1; a=rsa-sha256; d=simplelogin.co; s=arc-20230626; t=1693208580; c=relaxed/simple; bh=lEHAr9TFIzsndrUeErCAvXTbMZlzZqbjvYcTiRoe9Vk=; h=DKIM-Signature:MIME-Version:Date:Subject:Content-Type: Content-Transfer-Encoding:From:To:Message-ID:X-SimpleLogin-Type: X-SimpleLogin-EmailLog-ID:X-SimpleLogin-Want-Signing; b=zpfBWI1qQumx5omSXmEnhFTYdo9HM7oBzP0aoBMTo4vD+ZOxIgmeAbZ6byQR0bn2cZjpF+1TEZ43QuuAtbFeoQX2PxOAEB67vLLZSxkdpr/b06AundE/9Qt++ATuayE2Zvy91v+ZZAO+dngbaIKFB6zE/XfHi6HY1S3Ozv9GP493cIxqM94ECEIr96/H64JQe0ikFOrp5cB8va47DP6aCE2f4KM3unDDIrjQ25N3KsEC21aZr/ybMpsrePCXDBHqYaKAGOP+/Te+vkY6Dk4eGUTLWZvW/1hy0+/9GvvA7OVc9R0/QyBXLXdNB9vjqckYHCkjubfutgXfZ7Fe/uOibA== ARC-Authentication-Results: i=1; mail.protonmail.ch DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=slmail.me; s=dkim; t=1693208580; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=D1Qu3tBmt9iF+Pbdhk+3lTdTiDqZ/XvAqJZyCq4L7Kc=; b=AqmSkl+qmIiuQV3p7Jl/Bwq7yJRJbkv01QgtjRgOZnw5+woBXGa1w80cRqMXi9goft9Ngj UMj2xN2akpsfhIK1OKl/bqTyqjOIIxf+hKtzleGuhbSfjxC+raezgxbXTXRnqa9sqURBUk 1+QM+OS3LO04NZZhE3/FKRHtoEnFw1Q= MIME-Version: 1.0 Date: Mon, 28 Aug 2023 09:42:47 +0200 Subject: /usr/lib/llvm-14/bin/clang: Default clang++ -std=c++20 does not work with default libstdc++ on trixie Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit From: debian.doorbell912@slmail.me To: submit@bugs.debian.org Message-ID: <169320858012.9.2719392313900209071.171790814@slmail.me> X-SimpleLogin-Type: Reply X-SimpleLogin-EmailLog-ID: 171790814 X-SimpleLogin-Want-Signing: yes X-Greylist: delayed 408 seconds by postgrey-1.36 at buxtehude; Mon, 28 Aug 2023 07:49:52 UTC Delivered-To: submit@bugs.debian.org Package: clang-14 Version: 1:14.0.6-13 Severity: important File: /usr/lib/llvm-14/bin/clang Dear Maintainer, The default clang++ version on trixie and sid is 14. However, this version of clang++ does not go well with C++20 and the default libstdc++ (version 13). It would be good to bump the default clang version to 15, or 16 (both of which are already available in trixie), or even clang-17, once and if it is released. Steps to reproduce bug on a fresh install of Debian Trixie: cat t.cpp && clang++ --version && clang++ -std=c++20 -o t -Weverything t.cpp #include <chrono> int main() { return 0; } Debian clang version 14.0.6 Target: aarch64-unknown-linux-gnu Thread model: posix InstalledDir: /usr/bin In file included from t.cpp:1: /usr/bin/../lib/gcc/aarch64-linux-gnu/13/../../../../include/c++/13/chrono:2320:48: error: call to consteval function 'std::chrono::hh_mm_ss::_S_fractional_width' is not a constant expression static constexpr unsigned fractional_width = {_S_fractional_width()}; ^ /usr/bin/../lib/gcc/aarch64-linux-gnu/13/../../../../include/c++/13/chrono:2320:48: note: undefined function '_S_fractional_width' cannot be used in a constant expression /usr/bin/../lib/gcc/aarch64-linux-gnu/13/../../../../include/c++/13/chrono:2275:2: note: declared here _S_fractional_width() ^ 1 error generated. -- System Information: Debian Release: trixie/sid APT prefers testing APT policy: (500, 'testing') Architecture: arm64 (aarch64) Versions of packages clang-14 depends on: ii binutils 2.41-4 ii libc6 2.37-7 ii libc6-dev 2.37-7 ii libclang-common-14-dev 1:14.0.6-13 ii libclang-cpp14 1:14.0.6-13 ii libclang1-14 1:14.0.6-13 ii libgcc-13-dev 13.2.0-2 ii libgcc-s1 13.2.0-2 ii libllvm14 1:14.0.6-13 ii libobjc-13-dev 13.2.0-2 ii libstdc++-13-dev 13.2.0-2 ii libstdc++6 13.2.0-2 ii llvm-14-linker-tools 1:14.0.6-13 ]