libstdc++: Skip integer division optimization for Clang
Clang ICEs on _SimdImplX86::_S_divides. The function is only working
around a missed optimization and not necessary for correctness.
Therefore, don't use it for Clang.
Signed-off-by: Matthias Kretz <m.kretz@gsi.de>
libstdc++-v3/ChangeLog:
* include/experimental/bits/simd_detail.h: Don't define
_GLIBCXX_SIMD_WORKAROUND_PR90993 for Clang.
* include/experimental/bits/simd_x86.h (_S_divides): Remove
check for __clang__.
(cherry picked from commit
403e48ef441b0502af46ad3598f699f4a1611791)