Auto-sync with upstream branch master
    
    Upstream commit: 8390014c2320f94ffd8a8f6088c10c1f64567954
    
    - Update kernel version to 6.2 in header constant tests
    - arm: Remove __builtin_arm_uqsub8 usage on string-fza.h
    - alpha: Remove strncmp optimization
    - powerpc: Remove powerpc64 strncmp variants
    - powerpc: Remove strncmp variants
    - C2x scanf binary constant handling
    - Fix stringop-overflow warning in test-strncat.
    - nis: Fix stringop-truncation warning with -O3 in nis_local_host.
    - support: use 64-bit time_t (bug 30111)
    - LoongArch: Update libm-test-ulps.
    - LoongArch: Further refine the condition to enable static PIE
    - hurd: Fix some broken indentation
    - hurd: Remove the ecx kludge