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authorbors <bors@rust-lang.org>2016-04-17 19:11:20 -0700
committerbors <bors@rust-lang.org>2016-04-17 19:11:20 -0700
commit63760acf31e605c8a91bb5cbcbcb4bfb95435e48 (patch)
tree26ee481c87ddb93c740d43ad775d49fe7dbdba13 /src/libstd/time
parented7c56796ef17f13227a50dc1a72a018b1d5e33f (diff)
parent6ae80273a08c9cb0b75b8aec464f1e7d838a2bda (diff)
downloadrust-63760acf31e605c8a91bb5cbcbcb4bfb95435e48.tar.gz
rust-63760acf31e605c8a91bb5cbcbcb4bfb95435e48.zip
Auto merge of #33064 - jseyfried:improve_resolve_performance, r=eddyb
resolve: Improve performance

This fixes #33061 by speeding up searchs through all traits in scope, a bottleneck in `resolve`.

According to my measurements, this PR improves resolution performance by a factor of 3.4x on `librustc`, which almost completely reverses the 3.75x performance regression reported in #33061.

r? @eddyb
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