Fraser's assist to Wilson at St Mary's Stadium was the 12th time the two have combined to score for the Cherries this season.
It was the seventh assist for Fraser to his forward, who has provided five goals to his Scottish team-mate in return.
It leaves them just one goal shy of the record for goal combinations in the Premier League.
Top five goal combinations in a season
Fraser's assist also pulled him level with Eden Hazard in the race to claim the Playmaker of the Season award.