GNU Tools Weekly News Week 12 (November 16, 2025)

[GNU Tools weekly via Gdb <gdb@sourceware.org>]

GNU Tools Weekly News Week 12 (November 16, 2025)

Release updates for GNU toolchain:
 * GCC stage 1 ends today Nov 16th, 2025 (EoD, pick your timezone)!!!
Get your patches posted.
 * GNU Binutils release 2.45.1 happened
  * Congratulations to Sam as being his first binutils release
  * https://inbox.sourceware.org/binutils/20251112230051.vv6tzgigvflgap2o@illithid/T/#m6fbd495b1fe90ebe6dd651c9506b1d8580da3ec2
 * GDB 17.1 release update -- 2025-11-15
  * https://inbox.sourceware.org/gdb-patches/aRjYCpnAbDu2jcee@adacore.com/T/#u
 * GDB 17.1 release update -- 2025-11-02 (sorry for missing this in
last week's newsletter):
  * https://inbox.sourceware.org/gdb-patches/041c6048-4289-42b9-9441-332bd9e2c007@simark.ca/T/#t


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
 * Sourceware Open House last Friday - service upgrades, migration and isolation
  * https://inbox.sourceware.org/gcc/e6a8b2f10c311bcdd750b30f0ed53826f16c4da2.camel@klomp.org/T/#u
  * https://sourceware.org/sourceware-wiki/Migration2025/
  * https://sourceware.org/sourceware-wiki/OpenHouse2025/
  * Notes posted:
https://inbox.sourceware.org/gcc/20251116230040.GF3503@gnu.wildebeest.org/
 * Claudio Bantaloukas appointed GCC - Forge integration maintainer
  * https://gcc.gnu.org/wiki/ForgeExperiment - moving to production
(see sourceware open house too)
  * https://inbox.sourceware.org/gcc/CAGWvnymATGivAnFf35wp=5tGYUMQydCv=57bupnJ3zXYSwGYFw@mail.gmail.com/T/#u
 * Reminder: GCC (GNU Toolchain) dev room at FOSDEM 2026, January
31-Februrary 1, Brussels, Belgium - Calls for proposals
  ** https://inbox.sourceware.org/gcc/875xparmhn.fsf@kataplop.net/
* Instructions on how to run BPF selftests via a chroot/VM
 * https://gcc.gnu.org/wiki/BPFBackEnd#BPF_selftest_chroot_environment_setup

GCC discussion:
 * Automated patch emails for Rust front-end commits
  * https://inbox.sourceware.org/gcc/DE7VOPYUI6Y2.3L9HNH299NQYW@kataplop.net/T/#mfe00ba936d99a4ef1358f2023e61f40dfd55c19e
* Permitting malloc/alloc_size attributes for span-returning
allocation functions
  * https://inbox.sourceware.org/gcc/CANp29Y4S3MOBENGEhQYh9sE-sO72GBNX-BhbU08wq_Z8K=C77w@mail.gmail.com/T/#m157d4b76092bb67fa9c468741ee6fd8ba88cca19
  * Related LLVM pull request: https://github.com/llvm/llvm-project/pull/165433
 * Obfuscate the vtpr inside polymorphic objects
  * https://inbox.sourceware.org/gcc/CALtZhhNCCHyaneuqSZ0EbHrqhGC5joWXi-T-A_tNG7utj2H5vA@mail.gmail.com/T/#m5540f35707cb78513cc27718c5e1b1789de8473e
 * The mystery of lang.opt
  * https://inbox.sourceware.org/gcc/20251111001233.74e28ef41cc903579214c3de@schemamania.org/
 * Error with 'make install -j24'
  * https://inbox.sourceware.org/gcc/41082d3c-a8b2-7bca-a95f-7bdf8958afdf@redhat.com/T/#m2cbd8f32f188841a035419fb7c79c733d934fd92
 * Prevent copy propagation from a non-frame related insn to a frame
related insn
  * https://inbox.sourceware.org/gcc/aRoBjqvbMFRD_YB_@gate/T/#mb83bdd091173f75ed1b2fbc96ef2717cf4584c1b

GCC commits:
 * Add experimental SARIF JSON-RPC notifications for IDEs
 * libstdc++: Implement final wording of C++26 P3778R0 - type_order
 * c++, libcpp: Implement CWG3053 (likely and unlikely keyword #undef/#define)
 * c++: Implement C++26 P3920R0 - Wording for NB comment resolution on
trivial relocation
 * Ada/GNAT sync: 18 patches
 * Merge remove_forwarder_block_with_phi into remove_forwarder_block patch set
  * ~2% improvement to leela_r in spec 2017 with LTO
 * AArch64: Support C/C++ operations on svbool_t
 * Solaris: Require binutils 2.30+ on Solaris

GCC bugzilla stats
 * 89 new issues filed
 * 57 issues closed

glibc commits:
 * linux: Add mseal syscall support
 * Change fromfp functions to return floating types following C23 (N2548)

glibc discussion:
 * decimal floating point: libdfp into glibc?
  * https://inbox.sourceware.org/libc-alpha/2025Nov10.1025.scs.0002@tanqueray.local/T/#u

binutils/gdb commits:
 * PowerPC: Add support for RFC02660 - Context Switch Instruction
 * PowerPC: Support for Controlled Cluster Memory (RFC02689)
 * Mark Pascal as case-insensitive (gdb)

binutils discussion:
 * More compact SFrames through deduplication
  * https://inbox.sourceware.org/binutils/4199DC9E-2627-48CA-8BA7-6483FD73ABDA@gmail.com/

gdb discussion:
 * GDB-JIT: why would my 'unwind' not be invoked on crash
  * https://inbox.sourceware.org/gdb/CACTzTFDrgKYYoNWj8yFhaTo217cdnMu17+Gt2QtR8F6Ud73atA@mail.gmail.com/T/#m9cbdef02339305a97f4d62cf8d4385dcb9521d9c
 * GDB 15/16 crashing in add_thread_silent()
  * https://inbox.sourceware.org/gdb/0acb00caa135109f9994faaf97753b0024af8072.camel@gnu.org/T/#m7cedad2ab45e06f8cfa895c1ab074816738ee8f0
 * Mark Pascal as case-insensitive
  * Turns out there is a dwarf2 marker but unknown if it is usable here
  * https://inbox.sourceware.org/gdb-patches/alpine.DEB.2.21.2511150214370.47194@angie.orcam.me.uk/T/#m59b6f141a65e53da1385075716dbbe538a118939
 *