[Issue 9275] [GC] removeRoot hits assert(0) instead of being a no-op (as documented)

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=9275

--- Comment #4 from github-bugzi...@puremagic.com ---
Commit pushed to master at https://github.com/dlang/druntime

https://github.com/dlang/druntime/commit/a1fb3915f562428741324ac5b319d9316fb57231
Fix issue 9275: Add test for removeRoot

Issue 9275 describes the runtime crashing on the
invalid pointer passed to removeRoot, instead of
documented no-op.

This has been fixed in the meantime, so unittest
is added as a guarantee that it stays so.

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