Automatic update for glibc-2.40.9000-21.fc42.

Changelog

* Fri Nov 29 2024 Florian Weimer <fweimer@redhat.com> - 2.40.9000-21
- Drop glibc-rh2327564-1.patch, glibc-rh2327564-2.patch.  Fixed upstream.
  (#2327564)
- Auto-sync with upstream branch master,
  commit e2436d6f5aa47ce8da80c2ba0f59dfb9ffde08f3:
- malloc: send freed small chunks to smallbin
- AArch64: Remove zva_128 from memset
- benchtests: Add calloc test
- libio: make _IO_least_marker static
- malloc: Avoid func call for tcache quick path in free()
- math: Add internal roundeven_finite
- RISC-V: Use builtin for fma and fmaf
- RISC-V: Use builtin for copysign and copysignf
- Silence most -Wzero-as-null-pointer-constant diagnostics
- sysdeps: linux: Fix output of LD_SHOW_AUXV=1 for AT_RSEQ_*
- nptl: initialize cpu_id_start prior to rseq registration
- math: Fix branch hint for 68d7128942
- powerpc64le: ROP Changes for strncpy/ppc-mount
- math: Fix non-portability in the computation of signgam in lgammaf
- malloc: Split _int_free() into 3 sub functions
- math: Use tanf from CORE-MATH
- math: Use lgammaf from CORE-MATH
- math: Use erfcf from CORE-MATH
- math: Use erff from CORE-MATH
- math: Split s_erfF in erff and erfc
- math: Use cbrtf from CORE-MATH
- benchtests: Add tanf benchmark
- benchtests: Add lgammaf benchmark
- benchtests: Add erfcf benchmark
- benchtests: Add erff benchmark
- benchtests: Add cbrtf benchmark
- elf: Handle static PIE with non-zero load address [BZ #31799]
- x86/string: Use `movsl` instead of `movsd` in strncat [BZ #32344]
- stdlib: Make getenv thread-safe in more cases
- aarch64: Remove non-temporal load/stores from oryon-1's memset
- aarch64: Remove non-temporal load/stores from oryon-1's memcpy
- powerpc64le: _init/_fini file changes for ROP
- misc: remove extra va_end in error_tail (bug 32233)
- intl: avoid alloca for arbitrary sizes (bug 32380)