Automatic update for glibc-2.42.9000-21.fc44.

Changelog

* Mon Jan 12 2026 Frédéric Bérat <fberat@redhat.com> - 2.42.9000-21
- Auto-sync with upstream branch master,
  commit e539a269990dac3ff4d2432c0eb6966a5ee4f274:
- hurd: Fix sigreturn clobbering some xmm registers (Samuel Thibault)
- Linux: test sizes larger than UINT_MAX for copy_file_range (Xi Ruoyao)
- Update the bundled <linux/fuse.h> userspace header from Linux 6.18 (Xi Ruoyao)
- Linux: fix copy_file_range test on Linux >= 6.18 (Xi Ruoyao)
- Switch currency symbol for the bg_BG locale to euro (Florian Weimer)
* Fri Jan  9 2026 Florian Weimer  <fweimer@redhat.com> - 2.42.9000-20
- Work around GCC problem that makes diagnostics pragmas ineffective (#2426825)
* Thu Jan  8 2026 Frédéric Bérat <fberat@redhat.com> - 2.42.9000-19
- Auto-sync with upstream branch master,
  commit 755798985d0dc2438c546851f926087158955614:
- aarch64: Fix PT_GNU_PROPERTY checks for static exe (BZ 33713)
- tst-sig-redzone: Decorate assembly function
- hurd: check that signal processing does not hurt the x86_64 redzone
- hurd: also test mmx state restoration
- mach/hurd: add `bits/in.h`
- Better terminology for ‘long double’ in manual
- Update copyright dates not handled by scripts/update-copyrights
- Update copyright dates with scripts/update-copyrights
- Pass glibc pre-commit checks
- malloc_info: fix closing </sizes> tag typo
- LoongArch: Use generic __builtin_trap in abort.
- malloc: Fix clang build after 1c588a2187
- elf: Fix elf/tst-decorate-maps on aarch64 after 321e1fc73f
- misc: Enable tst-atomic for clang
- math: Use math_opt_barrier on ldbl-128 powl underflow/overflow handling
- stdio: Fix tst-vfprintf-user-type on clang
- x86: Do not use __builtin_isinf_sign for _Float64x/long double
- x86: Do not use __builtin_fpclassify for _Float64x/long double
- resolv: Add test for NOERROR/NODATA handling [BZ #14308]
* Wed Jan  7 2026 DJ Delorie <dj@redhat.com> - 2.42.9000-18
- Improve robustness of glibc32 build. (#2427390)

Automatic update for glibc-2.42.9000-20.fc44.