Descriptive Problem Summary:
recompiling with an object selected in the map editor can change the object you have selected to a different object
this may also cause the editor to crash

Numbered Steps to Reproduce Problem:
have multiple objects in the palette
select an object with the pencil tool active
compile
click the map

one of 2 things will happen:
A) a different object will be selected
B) the editor will crash (this one may require repeating the above steps multiple times, it's kind of random)

Expected Results:
currently selected object is maintained after compiling

Actual Results:
random other object will be selected or the editor will crash