int main(){
	bit[9] a;
	a[8] = false;
	bit[9] b;
	b[8] = true;

	assert(a<b);

	return 0;
}

Added to DStress as http://dstress.kuehne.cn/run/opCmp_07_A.d http://dstress.kuehne.cn/run/opCmp_07_B.d

FIX:

internal/adi.d -> _adCmpBit (line 776)
from
	for (uint j = i * 8; j < len; j++)
to
	for (uint j = 0; i*8 + j < len; j++)

Thomas