Clean up and streamline snapshot data structures#55906
Merged
bors merged 8 commits intorust-lang:masterfrom Nov 25, 2018
Merged
Clean up and streamline snapshot data structures#55906bors merged 8 commits intorust-lang:masterfrom
bors merged 8 commits intorust-lang:masterfrom
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These commits clean up the snapshot structures a bit, so they are more consistent with each other and with the
enacrate.They also remove the
OpenSnapshotandCommittedSnapshotentries in the undo log, just like I did for theenacrate in rust-lang/ena#14. This PR in combination with thatenaPR reduces instruction counts by up to 6% on benchmarks.r? @nikomatsakis. Note that this isn't quite ready for landing, because the
enadependency in the first commit needs to be updated once rust-lang/ena#14 lands. But otherwise it should be good.