[Issue 19339] extern(C++, namespace|string) disables UFCS

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19339

Mathias LANG <pro.mathias.lang at gmail.com> changed:

           What    |Removed                     |Added
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           Keywords|                            |C++

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