Pavel Yaskevich 7b121de1a0 [CSRanking] Change ranking to weight overload choices in evaluation order ...

Consider different overload choices for the same location in evaluation
order, this makes overload resolution more predictable because it's going
to follow expression bottom-up, that prevents situations when some
expressions are considered ambigious because choices taken further up
equate the score, instead each level is given distinct weight
based on evaluation order.

Resolves: rdar://problem/31888810

2017-11-16 13:38:24 -08:00

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