[Issue 19143] error or warn when assigning `this.foo = foo` when the lone foo is this.foo (i.e.not a constructor parameter)

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19143

--- Comment #1 from dlangBugzillaToGithub <robert.schadek at posteo.de> ---
THIS ISSUE HAS BEEN MOVED TO GITHUB

https://github.com/dlang/dmd/issues/17874

DO NOT COMMENT HERE ANYMORE, NOBODY WILL SEE IT, THIS ISSUE HAS BEEN MOVED TO
GITHUB

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