[Issue 18267] Linker errors compiling std_data_json dub package with dmd 2.078.0

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18267

--- Comment #2 from Atila Neves <atila.neves at gmail.com> ---
If it's marked as `@safe` then `pure` is still an issue. At least with the very
reduced example. I think the specifics depend on the code being compiled.

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