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e608d8f4e5
rust/compiler/rustc_middle
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Nadrieril e608d8f4e5 Make DefIdForest cheaper to clone 
Since `DefIdForest` contains 0 or 1 elements the large majority of the
time, by allocating only in the >1 case we avoid almost all allocations,
compared to `Arc<SmallVec<[DefId;1]>>`. This shaves off 0.2% on the
benchmark that stresses uninhabitedness checking.
2021-01-12 20:31:58 +00:00
..
benches mv compiler to compiler/ 2020-08-30 18:45:07 +03:00
src Make DefIdForest cheaper to clone 2021-01-12 20:31:58 +00:00
Cargo.toml Create rustc_ty_library 2020-12-02 20:28:41 +01:00
README.md mv compiler to compiler/ 2020-08-30 18:45:07 +03:00

README.md

For more information about how rustc works, see the rustc dev guide.