|author||Paul Berry <firstname.lastname@example.org>||Mon May 13 19:23:51 2019 +0000|
|email@example.com <firstname.lastname@example.org>||Mon May 13 19:23:51 2019 +0000|
Remove NullabilityGraph._upstream. Its only purpose was to make NullabilityGraph.getUpstreamNodes fast to compute, but that function was only used in unit tests anyway so there was no need for it to be fast. (Minor exception: it was also used in an assert statement, but I was able to change that to Nullabilitygraph.getUnconditionalUpstreamNodes). Change-Id: I8be18560c2f454908eb0e31d198fd22961a89278 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/102388 Reviewed-by: Dan Rubel <email@example.com> Commit-Queue: Paul Berry <firstname.lastname@example.org>
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