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Jon Ross-Perkins
d0fb4b5815
This makes duplicate and previous definition handling match. While we may want to make both point more fine-grained at the name, the necessary logic seems likely to be equivalent. Note, I'm looking at this mainly due to duplicate names in imports, where it's especially helpful to take an instruction instead of a parse node. We'll eventually want to handle parse nodes from other imports better, and I think this is the way it would most likely work.