Snippets for folly 2026.07.27.00 from Nix aarch64-darwin

Sourced from https://hydra.nixos.org/log/s4yfxqyjy0lr981ghqm943qhw46vr21p-folly-2026.07.27.00.drv.

• /nix/var/nix/builds/nix-13218-1959308773/source/folly/debugging/symbolizer/SignalHandler.cpp:656:48: warning: unused parameter 'signals' [-Wunused-parameter]
    656 | void installFatalSignalHandler(std::bitset<64> signals) {
        |                                                ^