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authorbors <bors@rust-lang.org>2016-04-07 10:55:37 -0700
committerbors <bors@rust-lang.org>2016-04-07 10:55:37 -0700
commit7979dd6089ee5cba39cfbe6e880a3edeb7fff788 (patch)
tree53f7316a403f28fa203c315a14ed0a23047deab1 /src/libstd/sys
parent470ca1c3ff33cd046f71a5453f8f520da4cd387e (diff)
parent9eaae920117594f5bddab1f46f406e5402e8cc8a (diff)
downloadrust-7979dd6089ee5cba39cfbe6e880a3edeb7fff788.tar.gz
rust-7979dd6089ee5cba39cfbe6e880a3edeb7fff788.zip
Auto merge of #32016 - nikomatsakis:incr-comp-save, r=mw
Save/load incremental compilation dep graph

Contains the code to serialize/deserialize the dep graph to disk between executions. We also hash the item contents and compare to the new hashes. Also includes a unit test harness. There are definitely some known limitations, such as https://github.com/rust-lang/rust/issues/32014 and https://github.com/rust-lang/rust/issues/32015, but I am leaving those for follow-up work.

Note that this PR builds on https://github.com/rust-lang/rust/pull/32007, so the overlapping commits can be excluded from review.

r? @michaelwoerister
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