[Issue 20491] extern(C) is not inferred for lambda arguments

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20491

Basile-z <b2.temp at gmx.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |b2.temp at gmx.com
            Summary|extern(C) is not inferred   |extern(C) is not inferred
                   |for lambda agruments        |for lambda arguments

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