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(merge: 4a689da 7779a11)
Auto merge of #73490 - CAD97:range-unchecked-stepping, r=Amanieu
authorbors <bors@rust-lang.org>
Tue, 14 Jul 2020 08:56:06 +0000 (08:56 +0000)
committerbors <bors@rust-lang.org>
Tue, 14 Jul 2020 08:56:06 +0000 (08:56 +0000)
commitc724b67e1b474262917a5154d74e7072267593fe
tree41a041b6e60f64d3eb8cf2d58534c5cb5ebfbd1ftree | snapshot
parent4a689da944977496fb758cc2d700984cc6a10b7fcommit | diff
parent7779a11448927e208ed6eb9bb609dd23595f77cecommit | diff
Auto merge of #73490 - CAD97:range-unchecked-stepping, r=Amanieu

Use step_unchecked more liberally in range iter impls

Without these `_unchecked`, these operations on iterators of `char` fail to optimize out the unreachable panicking condition on overflow.

cc @cuviper https://github.com/rayon-rs/rayon/pull/771 where this was discovered.
src/libcore/iter/range.rs diff1 | diff2 | blob | history
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