[Issue 21701] casWeak is not implemented

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21701

--- Comment #3 from Dlang Bot <dlang-bot at dlang.rocks> ---
dlang/druntime pull request #3434 "merge stable" was merged into master:

- a43aa23cda759481905664b83f71ea322dccb25a by rymrg:
  Fix Issue 21701 - casWeak is not implemented

https://github.com/dlang/druntime/pull/3434

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