[Issue 15459] stdin.byLine.each!(map!somefunc) compiles, fails to link with ld

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15459

--- Comment #7 from Vladimir Panteleev <dlang-bugzilla at thecybershadow.net> ---
(In reply to ag0aep6g from comment #6)
> (In reply to Vladimir Panteleev from comment #3)
> > I'm closing this for now, but please reopen if you can provide a working
> > practical example.
> 
> Reduced accepts-invalid:

This is not a valid reduction because .front is never called. The compiler
seems to be skipping semantic analysis of uncalled functions here to avoid
forward reference issues: https://github.com/dlang/dmd/pull/2851

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