Auto-sync with upstream branch master
    
    Upstream commit: 5d7f1bce7d8eea31f4baeb68bcc3124b35acc751
    
    - Apply glibc-benchtests-aarch64.patch to fix an aarch64 build failure.
    - Drop glibc-rh2244688.patch revert.  Fix applied upstream.
    - Drop glibc-rh2244992.patch, glibc-rh2248915.patch, glibc-rh2248502-3.patch.
      All applied upstream.
    
    - posix: Revert the removal of the crypt prototype from <unistd.h>
    - elf: Add comments on how LD_AUDIT and LD_PRELOAD handle __libc_enable_secure
    - elf: Ignore LD_LIBRARY_PATH and debug env var for setuid for static
    - elf: Remove any_debug from dl_main_state
    - elf: Remove LD_PROFILE for static binaries
    - elf: Ignore LD_PROFILE for setuid binaries
    - s390: Use dl-symbol-redir-ifunc.h on cpu-tunables
    - x86: Use dl-symbol-redir-ifunc.h on cpu-tunables
    - elf: Emit warning if tunable is ill-formatted
    - elf: Fix _dl_debug_vdprintf to work before self-relocation
    - elf: Do not parse ill-formatted strings
    - elf: Do not process invalid tunable format
    - elf: Add all malloc tunable to unsecvars
    - elf: Ignore GLIBC_TUNABLES for setuid/setgid binaries
    - elf: Add GLIBC_TUNABLES to unsecvars
    - elf: Remove /etc/suid-debug support
    - stdlib: The qsort implementation needs to use heapsort in more cases
    - stdlib: Handle various corner cases in the fallback heapsort for qsort
    - stdlib: Avoid another self-comparison in qsort
    - hurd: fix restarting reauth_dtable on signal
    - hurd: Prevent the final file_exec_paths call from signals
    - manual: Fix termios.c example. (Bug 31078)
    - aarch64: Add vector implementations of expm1 routines
    - linux: Use fchmodat2 on fchmod for flags different than 0 (BZ 26401)
    - intl: Add test case for bug 16621
    - resolv: free only initialized items from gai pool
    - ldconfig: Fixes for skipping temporary files.
    - nptl: Link tst-execstack-threads-mod.so with -z execstack
    - nptl: Rename tst-execstack to tst-execstack-threads
    - localedata: Convert oc_FR locale to UTF-8
    - localedata: Add information for Occitan
    - elf: Fix force_first handling in dlclose (bug 30981)
    - elf: Handle non-directory name in search path (BZ 31035)
    - New Zealand locales (en_NZ & mi_NZ) first day of week should be Monday
    - x86: Fix unchecked AVX512-VBMI2 usage in strrchr-evex-base.S
    - posix: Check pidfd_spawn with tst-spawn7-pid
    - y2038: Fix support for 64-bit time on legacy ABIs
    - AArch64: Remove Falkor memcpy
    - AArch64: Add memset_zva64
    - AArch64: Cleanup emag memset
    - test: Run the tst-tls-allocation-failure-static-patched with test-wrapper.
    - aarch64: Add vector implementations of log1p routines
    - aarch64: Add vector implementations of atan2 routines
    - aarch64: Add vector implementations of atan routines
    - aarch64: Add vector implementations of acos routines
    - aarch64: Add vector implementations of asin routines