Here's my last update to the std::experimental::simd patch. It's currently 
based on the gcc-10 branch.

Cheers,
  Matthias

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 Dr. Matthias Kretz                           https://mattkretz.github.io
 GSI Helmholtz Centre for Heavy Ion Research               https://gsi.de
 std::experimental::simd              https://github.com/VcDevel/std-simd
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