From: https://github.com/D-Programming-Language/dmd/pull/1096#issuecomment-12584452

----
This pull breaks the following test case:

C:\cbx\mars\test>..\dmd -m32 -c mula mulb -lib
DMD v2.062 DEBUG

C:\cbx\mars\test>..\dmd -m32 multi mula.lib
DMD v2.062 DEBUG
OPTLINK (R) for Win32  Release 8.00.12
Copyright (C) Digital Mars 1989-2010  All rights reserved.
http://www.digitalmars.com/ctg/optlink.html
multi.obj(multi)
 Error 42: Symbol Undefined _D4mulb8__T3defZ3memFZv

mula.d:

import std.c.stdio;

import mulb;

void abc()
{
    printf("mulb.abc()\n");
    foo();
    bar();
}

mulb.d:

module mulb;

import std.c.stdio;

int j;

int foo()()
{
    printf("foo()\n");
    static int z = 7;
    assert(z != 10);
    return ++z;
}

void bar()
{
    assert(j == 7);
    foo();
    printf("bar\n");
}

template def()
{
    alias int defint;

    static this()
    {
        printf("def.static this()\n");
        j = 7;
    }

    void mem()
    {
        printf("def().mem()\n");
    }
}

def!().defint x;

multi.d:

import std.c.stdio;

import mula, mulb;

int main()
{
    printf("main\n");
    abc();
    def!().mem();
    return 0;
}