undefined symbol: _D3std7variant...

[Daniel Kozak]

On Tue, Oct 22, 2019 at 2:20 PM Andrey via Digitalmars-d-learn
<digitalmars-d-learn at puremagic.com> wrote:
>
> Hello,
> During compilation on linking stage I get strange errors (LDC):
> lld-link: error: undefined symbol:
> _D3std7variant__T8VariantNVmi56TSQBf8typecons__T5TupleTAyuTSQCgQCf__TQCaVmi32TSQCzQBu__TQBoTAQBmTQBqZQCbTQnTQCbZQDrZQCqTQBcTQCrZQEh4typeMxFNbNdNeZC8TypeInfo
> >>> referenced by E:\Programs\LDC2\import\std\variant.d:753
> >>>
> >>> .dub\obj\builder.obj:(_D3std7variant__T8VariantNVmi56TSQBf8typecons__T5TupleTAyuTSQCgQCf__TQCaVmi32TSQCzQBu__TQBoTAQBmTQBqZQCbTQnTQCbZQDrZQCqTQBcTQCrZQEh__T4peekTQDhZQkMNgFNdZPNgAyu)                       referenced by E:\Programs\LDC2\import\std\variant.d:753
> >>>
> >>> .dub\obj\builder.obj:(_D3std7variant__T8VariantNVmi56TSQBf8typecons__T5TupleTAyuTSQCgQCf__TQCaVmi32TSQCzQBu__TQBoTAQBmTQBqZQCbTQnTQCbZQDrZQCqTQBcTQCrZQEh__T4peekTQBwZQkMNgFNdZPNgAAyu)                      referenced by E:\Programs\LDC2\import\std\variant.d:820
> >>>
> >>> .dub\obj\builder.obj:(_D3std7variant__T8VariantNVmi56TSQBf8typecons__T5TupleTAyuTSQCgQCf__TQCaVmi32TSQCzQBu__TQBoTAQBmTQBqZQCbTQnTQCbZQDrZQCqTQBcTQCrZQEh__T3getTQEdZQjMNgFNdZNgSQFxQEs__TQEmTQEjTQEjZQEy)
>
> How to solve?
> This is the first time when linking fails on Phobos library.

Have you try to clean all caches? Try to remove .dub folder