Auto-sync with upstream branch master
    
    Upstream commit: 0f09154c64005e78b61484ae87b5ea2028051ea0
    
    - x86: Initialize CPU info via IFUNC relocation [BZ 26203]
    - Add NEWS entry for ftime compatibility move
    - support: Add create_temp_file_in_dir
    - linux: Add __readdir_unlocked
    - linux: Simplify opendir buffer allocation
    - linux: Move posix dir implementations to Linux
    - linux: Add 64-bit time_t support for wait3
    - Move ftime to a compatibility symbol
    - linux: Fix time64 support for futimesat
    - linux: Use INTERNAL_SYSCALL on fstatat{64}
    - shm tests: Append PID to names passed to shm_open [BZ #26737]
    - sysvipc: Fix tst-sysvshm-linux on x32
    - x86/CET: Update vfork to prevent child return
    - resolv: Serialize processing in resolv/tst-resolv-txnid-collision
    - statfs: add missing f_flags assignment
    - y2038: Remove not used __fstatat_time64 define
    - y2038: nptl: Convert pthread_mutex_{clock|timed}lock to support 64 bit
    - sysvipc: Return EINVAL for invalid shmctl commands
    - sysvipc: Fix IPC_INFO and SHM_INFO handling [BZ #26636]
    - AArch64: Use __memcpy_simd on Neoverse N2/V1
    - resolv: Handle transaction ID collisions in parallel queries (bug 26600)
    - support: Provide a way to clear the RA bit in DNS server responses
    - support: Provide a way to reorder responses within the DNS test server
    - Add missing stat/mknod symbol on libc.abilist some ABIs
    - manual: correct the spelling of "MALLOC_PERTURB_" [BZ #23015]
    - manual: replace an obsolete collation example with a valid one
    - rtld: fix typo in comment
    - elf: Add missing <dl-procinfo.h> header to elf/dl-usage.c
    - hurd: support clock_gettime(CLOCK_PROCESS/THREAD_CPUTIME_ID)
    - linux: Move xmknod{at} to compat symbols
    - linux: Add {f}stat{at} y2038 support
    - linux: Move {f}xstat{at} to compat symbols
    - linux: Disentangle fstatat from fxstatat
    - linux: Implement {l}fstat{at} in terms of fstatat
    - linux: Move the struct stat{64} to struct_stat.h
    - Remove mknod wrapper functions, move them to symbols
    - Remove stat wrapper functions, move them to exported symbols
    - <sys/platform/x86.h>: Add FSRCS/FSRS/FZLRM support
    - <sys/platform/x86.h>: Add Intel HRESET support
    - <sys/platform/x86.h>: Add AVX-VNNI support
    - <sys/platform/x86.h>: Add AVX512_FP16 support
    - <sys/platform/x86.h>: Add Intel UINTR support
    - elf: Do not pass GLRO(dl_platform), GLRO(dl_platformlen) to _dl_important_hwcaps
    - elf: Enhance ld.so --help to print HWCAP subdirectories
    - elf: Add library search path information to ld.so --help
    - sunrpc: Adjust RPC function declarations to match Sun's (bug 26686]
    - Avoid GCC 11 -Warray-parameter warnings [BZ #26686].
    - elf: Make __rtld_env_path_list and __rtld_search_dirs global variables
    - elf: Print the full name of the dynamic loader in the ld.so help message
    - elf: Use the term "program interpreter" in the ld.so help message
    - scripts/update-copyrights: Update csu/version.c, elf/dl-usage.c
    - elf: Implement ld.so --version
    - nptl: Add missing cancellation flags on lockf
    - Update mips64 libm-test-ulps
    - Update alpha libm-test-ulps
    - elf: Implement ld.so --help
    - elf: Record whether paths come from LD_LIBRARY_PATH or --library-path
    - elf: Move ld.so error/help output to _dl_usage
    - elf: Extract command-line/environment variables state from rtld.c