Just pulled the newest CVS version and compiled it. I got i865G and enabled Option "Rotate" "CCW" to rotate the screen. The screen rotated but the mouse pointer did not rotate (it was showing sideways) and its movable area constraints did not rotate either. The coordinates for clicks were also non-rotated so I was unable to hit any buttons on guis and such.
*** This bug has been marked as a duplicate of 3421 ***
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