[Issue 5299] Protected inheritance is semantically undefined.

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=5299

--- Comment #7 from github-bugzilla at puremagic.com ---
Commits pushed to master at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/5ffc7d3784dc416769ff1a4aa0ab959ca42cd47e
Fix Issue 5299 - Protected inheritance is semantically undefined

Deprecation -> Error

https://github.com/D-Programming-Language/dmd/commit/486e92da11fd567c32634a3085a31fa266634d77
Merge pull request #3911 from yebblies/issue5299

Issue 5299 - Turn base class protection into an error

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