[Issue 7942] Appending different string types corrupts memory

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=7942

--- Comment #14 from yebblies <yebbl...@gmail.com> ---
Pull to make it an error:

https://github.com/D-Programming-Language/dmd/pull/3966

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