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Add an overflow check in the Iter::next() impl for Range<_> to help with vectorization. #43595

Merged
merged 1 commit into from
Aug 9, 2017
Merged

Add an overflow check in the Iter::next() impl for Range<_> to help with vectorization. #43595

merged 1 commit into from
Aug 9, 2017

Commits on Aug 1, 2017

  1. Add an overflow check in the Iter::next() impl for Range<_> 

    This helps with vectorization in some cases, such as (0..u16::MAX).collect::<Vec<u16>>(),
 as LLVM is able to change the loop condition to use equality instead of less than
    @oyvindln
    oyvindln committed Aug 1, 2017
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