[Issue 6677] static this attributes position

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=6677

--- Comment #5 from github-bugzilla at puremagic.com ---
Commit pushed to master at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/9c7b5ba31a91efb558d6ad50305fb8017b4779b9
Check invalid syntax and redundancy on static constructors

Improve diagnostic for issue 6677.

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