Ruby

merge revision(s) b42afa1dbcbb91e89852b3b3bc72484d7f0a5528, f1f0cc14cc7d3f9be35b203e5583f9224b1e2387, 543e3a1896ae2fe3b5b954f6497d261ab5663a15, ed2806117a0b76e4439ce1a061fae21d9e116d69, 46e4c8673747de96838d2c5dec37446d23d99d88: [Backport #21500]

    Suppress gcc 15 unterminated-string-initialization warnings

    Separate `__has_attribute` from `defined(__has_attribute)`

    Fix Visual C warnings:
    ```
    regenc.h(121): warning C4067: unexpected tokens following preprocessor directive - expected a newline
    ```

    Cast up `int` instruction code to `VALUE`

    Fix Visual C warnings:
    ```
    iseq.c(3793): warning C4312: 'type cast': conversion from 'int' to 'void *' of greater size
    iseq.c(3794): warning C4312: 'type cast': conversion from 'int' to 'void *' of greater size
    ```

    Do not let files depend on a phony target

    Detect `clock_gettime` and `clock_getres` for winpthreads