https://issues.dlang.org/show_bug.cgi?id=17472

          Issue ID: 17472
           Summary: [Reg 2.075] typeof(stdin) is no longer a File
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: regression
          Priority: P1
         Component: phobos
          Assignee: nobody@puremagic.com
          Reporter: code@dawg.eu

cat > bug.d << CODE
import std.stdio;

private void threadWriter(alias OUT, alias ERR)()
{
    OUT = typeof(OUT)("/dev/null", "w");
    ERR = typeof(ERR)("/dev/null", "w");
}

alias stdWriter = threadWriter!(stdout, stderr);
CODE

dmd -c bug
----
/home/dawg/Code/D/bug.d(5): Error: expected 0 arguments, not 2 for non-variadic
function type nothrow @nogc ref @system File()
/home/dawg/Code/D/bug.d(6): Error: expected 0 arguments, not 2 for non-variadic
function type nothrow @nogc ref @system File()
/home/dawg/Code/D/bug.d(9): Error: template instance
bug.threadWriter!(makeGlobal, makeGlobal) error instantiating
----

Breaks https://github.com/atilaneves/unit-threaded.

Happens because stdin is now an alias.

    alias stdin = makeGlobal!(core.stdc.stdio.stdin);

Introduced with https://github.com/dlang/phobos/pull/5421

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