LLVM20 - compiler-rt issues

[kassane]

source: https://github.com/kassane/sanitizers-zig/tree/compiler-rt (upstream)
zig tests: https://github.com/kassane/sanitizers-zig/tree/llvm20-sanitizers

cross-CI: https://github.com/kassane/sanitizers-zig/actions/runs/11072115299

Musl get build-error:

  zig build --build-file $PWD/tests/build.zig --summary all -freference-trace -Dtarget=x86_64-linux-musl
  shell: /usr/bin/bash -e {0}
install
+- install test-asan
   +- zig build-exe test-asan Debug x86_64-linux-musl 1 errors
error: ld.lld: undefined symbol: __sanitizer::struct_sock_fprog_sz
    note: referenced by sanitizer_common_interceptors.inc:1318 (/home/runner/.cache/zig/p/1220768c90d01b50340ecec58520f1d968accf04ec04d83cddd79444e33d218bad87/lib/sanitizer_common/sanitizer_common_interceptors.inc:1318)
    note:               /home/runner/work/sanitizers-zig/sanitizers-zig/tests/.zig-cache/o/ad4c5abc5e69425976166a33e4b3deb7/asan_interceptors.o:(__interceptor_prctl)

No detected on local-machine!! 😨 (running segfault)