library compiles on Mac with errors

[tbschneider]

I create a project with dub init` and append a dependency to serialport ~>2.2.3.

dub build failed with exit code 1:

    Starting Performing "debug" build using /Users/.../opt/dmd2/osx/bin/dmd for x86_64.
    Building serialport 2.2.3: building configuration [library]
../../../../.dub/packages/serialport/2.2.3/serialport/source/serialport/util.d(59,65): Error: returning `PairList(null).this(list)` escapes a reference to variadic parameter `list`
auto pairList(A,B)(Pair!(A,B)[] list...) { return PairList!(A,B)(list); }
                                                                ^
../../../../.dub/packages/serialport/2.2.3/serialport/source/serialport/types.d(141,49): Error: CTFE failed because of previous errors in `pairList`
        static immutable unixBaudList = pairList(
                                                ^
../../../../.dub/packages/serialport/2.2.3/serialport/source/serialport/util.d(34,43): Error: `this.list` is not yet implemented at compile time
        bool isUniqA() @property { return list.all!(v=>countA(v.a) == 1); }
                                          ^
../../../../.dub/packages/serialport/2.2.3/serialport/source/serialport/util.d(34,47):        called from here: `all(this.list)`
        bool isUniqA() @property { return list.all!(v=>countA(v.a) == 1); }
                                              ^
../../../../.dub/packages/serialport/2.2.3/serialport/source/serialport/types.d(185,19):        called from here: `unixBaudList.isUniqA()`
    static assert(unixBaudList.isUniqA, "not uniq A vals in unix baud list");
                  ^
../../../../.dub/packages/serialport/2.2.3/serialport/source/serialport/types.d(185,5):        while evaluating: `static assert(unixBaudList.isUniqA)`
    static assert(unixBaudList.isUniqA, "not uniq A vals in unix baud list");
    ^
../../../../.dub/packages/serialport/2.2.3/serialport/source/serialport/util.d(35,43): Error: `this.list` is not yet implemented at compile time
        bool isUniqB() @property { return list.all!(v=>countB(v.b) == 1); }
                                          ^
../../../../.dub/packages/serialport/2.2.3/serialport/source/serialport/util.d(35,47):        called from here: `all(this.list)`
        bool isUniqB() @property { return list.all!(v=>countB(v.b) == 1); }
                                              ^
../../../../.dub/packages/serialport/2.2.3/serialport/source/serialport/types.d(186,19):        called from here: `unixBaudList.isUniqB()`
    static assert(unixBaudList.isUniqB, "not uniq B vals in unix baud list");
                  ^
../../../../.dub/packages/serialport/2.2.3/serialport/source/serialport/types.d(186,5):        while evaluating: `static assert(unixBaudList.isUniqB)`
    static assert(unixBaudList.isUniqB, "not uniq B vals in unix baud list");
    ^
Error /Users/.../opt/dmd2/osx/bin/dmd failed with exit code 1.

DUB version 1.39.0-rc.1, built on Sep 6 2025
chip: Apple M4 Pro
macOS: Sequoia 15.6.1