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Constrain the layout of Blake2bCtx for proper SPARC compilation #43480

Merged
merged 1 commit into from
Jul 26, 2017
Merged

Constrain the layout of Blake2bCtx for proper SPARC compilation #43480

merged 1 commit into from
Jul 26, 2017

Commits on Jul 25, 2017

  1. Constrain the layout of Blake2bCtx for proper SPARC compilation 

    On SPARC, optimization fuel ends up emitting incorrect load and store
instructions for the transmute() call in blake2b_compress().  If we
force Blake2bCtx to be repr(C), the problem disappears.

Fixes rust-lang#43346
    Danek Duvall committed Jul 25, 2017
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