Auto-sync with upstream branch master
    
        Upstream commit: e1d3312015e8f70344620375aedf91afe7e7e7a4
    
    - add GB18030-2022 charmap and test the entire GB18030 charmap [BZ #30243]
    - Use GMP 6.3.0, MPFR 4.2.1 in build-many-glibcs.py
    - localedata: Translit common emojis to smileys [BZ #30649]
    - nscd: Skip unusable entries in first pass in prune_cache (bug 30800)
    - LoongArch: Change loongarch to LoongArch in comments
    - LoongArch: Add ifunc support for memcmp{aligned, lsx, lasx}
    - LoongArch: Add ifunc support for memset{aligned, unaligned, lsx, lasx}
    - LoongArch: Add ifunc support for memrchr{lsx, lasx}
    - LoongArch: Add ifunc support for memchr{aligned, lsx, lasx}
    - LoongArch: Add ifunc support for rawmemchr{aligned, lsx, lasx}
    - LoongArch: Micro-optimize LD_PCREL
    - LoongArch: Remove support code for old linker in start.S
    - LoongArch: Simplify the autoconf check for static PIE
    - Add F_SEAL_EXEC from Linux 6.3 to bits/fcntl-linux.h.
    - argp-parse: Get rid of alloca
    - gencat: Get rid of alloca.
    - m68k: Use M68K_SCALE_AVAILABLE on __mpn_lshift and __mpn_rshift
    - m68k: Fix build with -mcpu=68040 or higher (BZ 30740)
    - elf: Check that --list-diagnostics output has the expected syntax
    - manual: Document ld.so --list-diagnostics output
    - manual/jobs.texi: Add missing @item EPERM for getpgid
    - LoongArch: Add ifunc support for strncmp{aligned, lsx}
    - LoongArch: Add ifunc support for strcmp{aligned, lsx}
    - LoongArch: Add ifunc support for strnlen{aligned, lsx, lasx}
    - htl: move pthread_attr_setdetachstate into libc
    - htl: move pthread_attr_getdetachstate into libc
    - htl: move pthread_attr_setschedpolicy into libc
    - htl: move pthread_attr_getschedpolicy into libc
    - htl: move pthread_attr_setinheritsched into libc
    - htl: move pthread_attr_getinheritsched into libc
    - htl: move pthread_attr_getschedparam into libc
    - htl: move pthread_setschedparam into libc
    - htl: move pthread_getschedparam into libc
    - htl: move pthread_equal into libc
    - Linux: Avoid conflicting types in ld.so --list-diagnostics