This optimization is allowed by the semantics, as users shouldn't pass
in values that may cause undefined behavior even those values are masked.
Authored by timshen on Mar 19 2018, 5:45 PM.
timshen added a parent revision: D44661: [libcxx] optimize reduce(), hmin(), hmax() by reordering the operations..Mar 19 2018, 5:50 PM
timshen added a child revision: D44663: [libcxx] Update <experimental/simd> with R9 changes.