I get this error when trying to compile a program using dhtslib with DMD or any LDC version < 1.25.0.

_D39TypeInfo_S7dhtslib3sam6record9SAMRecord6__initZ: error: undefined reference to `_D7dhtslib3sam6record9SAMRecord15__fieldPostblitMFNbNiNlNeZv'

Though I only experience this when trying to create an array of SAMRecords.

One solution I have found is using std.array.Appender instead of arrays. Another solution I have found is to define an explicit postblit for SAMRecord, though the implicitly generated postblit should work.

Looking through ldc changelogs, the closest thing I could attribute this to is this change for ldc-1.25.0:

I posted this question previously, though I explained the problem poorly.

I don't understand why my fixes work or what is causing the issue in the first place. Is there something I should be doing differently? Is this a compiler or language bug?