Animation state auto reset

Hi all!
the problem like this:
New a cube, add a animator component with two animation clips that “A.anim” and “B.anim”. The A to translate cube’s position, and the B rotate cube.
A transition to B with default ExitTime. However, The cube’s position auto reset when B to start. Why would reset? B no translate position, only rotate.

Is this a bug of 4.3.x version?

Second this. As this was seen almost half a year ago such a simple thing would have been fixed by now if a bug. Seeing same thing with 4.5! What are Companella and myself missing? Been at this problem for 5 hours now :frowning: