[Issue 21668] Cannot declare ref parameter of opaque type

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21668

--- Comment #4 from Dlang Bot <dlang-bot at dlang.rocks> ---
dlang/dmd pull request #12253 "merge stable" was merged into master:

- 8fda1152ab591143a20977ae24fcf7eaf5e2ec51 by Florian:
  Fix 21668 - Cannot declare ref parameter of opaque type (#12239)

  Don't raise errors for VarDeclarations that are marked as ref

https://github.com/dlang/dmd/pull/12253

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