[Issue 15417] Wrong parameter passing for variadic nested functions within aggregate

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15417

--- Comment #4 from Iain Buclaw <ibuclaw at gdcproject.org> ---
(In reply to Walter Bright from comment #3)
> _argptr and _arguments are there for "D style variadics". core.stdc.stdarg
> is for "C style variadics". I.e. using va_arg for C-style will not work.

I beg your pardon?

The _argptr variable is computed from va_start, so is perfectly valid for use
in va_arg.  See for example, std.format.doFormat!()

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