[Issue 21063] getLinkage is wrong for forward reference extern(C++) class

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21063

--- Comment #3 from Dlang Bot <dlang-bot at dlang.rocks> ---
dlang/dmd pull request #11542 "merge stable" was merged into master:

- 0032771880801ce889822181ffe44849d074a0ac by Geod24:
  Fix 21063 - getLinkage fails with forward references

  Use the same code as other traits, e.g. getClassInstanceSize, use.

https://github.com/dlang/dmd/pull/11542

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