GNU Tools Weekly News Week 13 (November 23, 2025) Release updates for GNU toolchain: * GDB 17.1 release update -- 2025-11-22 * https://inbox.sourceware.org/gdb-patches/[email protected]/T/#u * GCC 16.0.0 Status Report (2025-11-17), Stage 3 in effect NOW * https://inbox.sourceware.org/gcc/[email protected]/T/#u
General/big GNU toolchain news (including sourceware news): * The GCC Steering Committee has a wiki page detailing their mission and current requests are listed ** https://gcc.gnu.org/wiki/gcc-steering-committee * Improving GCC Buffer Overflow Detection for C Flexible Array Members (Oracle blog) * https://lwn.net/Articles/1047547/ * https://blogs.oracle.com/linux/improving-gcc-buffer-overflow-detection-for-c-flexible-array-members * Algol 68 Front End for GCC has been approved by the GCC SC for inclusion in the GCC trunk * https://inbox.sourceware.org/gcc/cagwvnymiaxpikexm6ynok5kgs1u07z1dxy1hemjhmbagdsk...@mail.gmail.com/T/ * With a new set of patches posted: https://gcc.gnu.org/pipermail/gcc-patches/2025-November/701589.html * LLVM 2025 US dev conf videos released * https://www.youtube.com/@LLVMPROJ/videos * Reminder: GCC (GNU Toolchain) dev room at FOSDEM 2026, January 31-Februrary 1, Brussels, Belgium - Calls for proposals ** https://inbox.sourceware.org/gcc/[email protected]/ * gccrs October 2025 Monthly report * https://inbox.sourceware.org/gcc/[email protected]/T/#u GCC commits: * aarch64: Add preserve_none attribute support (forgot from last week) * Code changes to be able to compile GCC with -std=c++20 * Add testcases for CWG3045 and CWG3061 (C++26 expansion statements clarifications; already implemented) * Add testcases for CWG3079 (anonymous union clarifications; already implemented) * 14 GCC Rust merge * 17 and 13 commit Ada merges * Implement C++ DR1670 and LWG4468 * libstdc++: Implement proposed resolution of LWG4477 * x86: Add AVX10.1, AVX10.2, APX_F and MOVRS to Nova Lake * Support the Wild linker with -fuse-ld=wild * middle-end: add target hook for isel * Can be used by the target to optimize some gimple sequences into other sequences right before expansion to RTL (usually for say target intrinsics but could be used otherwise) * ipa: Remove LTO requirement for builtin callback carriers * e.g. CCP into -fopenmp outlined regions don't need -flto to work any more * Enable LRA for pa-risc (hppa) by default * libstdc++: Implement LWG 4406 and LWG 3424 for std::optional and std::expected GCC bugzilla stats * 110 new issues filed * 92 issues closed glibc commits: * math: Remove ldbl-96 fma implementation * 2-4x improvement on modern HW * Remove support for TX lock elision of pthread mutexes (x86, s390 and ppc) * https://lwn.net/Articles/534758/ was about when this support was added * Sync acosh and atanh from CORE-MATH * Implement C23 const-preserving standard library macros binutils/gdb commits: * Enabling of FPMR register support for AArch64 in gdb/gdbserver/corefile on Linux * FP control register for FP8 support * ld:Treat symbols with version index 0 as unversioned * New tool for converting gmon.out file (old style) to gprofng experiments binutils discussion: * `## __VA_ARGS__` usage (can be used) in libctf * https://inbox.sourceware.org/binutils/[email protected]/T/#m268d35f226de94550b9cfa01a9d61f013d11ff0a
