I was actually trying to reproduce another abnormal program termination. 
Heh.
====================== a.d ===================
template FFF()
{
	class A : B
	{
	}
	class B
	{
	}
}
void main()
{
	mixin FFF;
}
=================================================
C:\dev>dmd a.d
Assertion failure: '!scope' on line 191 in file 'toobj.c'
abnormal program termination