Auto-sync with upstream branch master
    
    Upstream commit: 7863a7118112fe502e8020a0db0fa74fef281f29
    
    - math: New generic sinf (swbz#5997)
    - is_IS locale: Base collation on iso14651_t1 (swbz#22519)
    - intl: Improve reproducibility by using bison (swbz#22432)
    - sr_RS, bs_BA locales: make collation rules the same as for hr_HR (wbz#22534)
    - hr_HR locale: various updates (swbz#10580)
    - x86: Make a space in jmpbuf for shadow stack pointer
    - malloc: Fix integer overflow when tcache is enabled (swbz#22375)
    - locale: make forward accent sorting the default in collating (swbz#17750)