message: remove all fails from fail_db.txt
diff: % folder). The recommended way to build LLVM on Unix is to use "alloy.py".
  %
  -% Windows specific fails. transcendentals-10-0.ispc is not expected to work anywhere except Linux.
  -
  -% LLVM 5.0 fails
  -./tests/shuffle-3.ispc runfail x86 avx512skx-i32x16 Linux LLVM 5.0 clang++5.0 -O0 *
  -./tests/shuffle-5.ispc runfail x86 avx512skx-i32x16 Linux LLVM 5.0 clang++5.0 -O0 *
  -./tests/shuffle-3.ispc runfail x86-64 avx512skx-i32x16 Linux LLVM 5.0 clang++5.0 -O0 *
  -./tests/shuffle-5.ispc runfail x86-64 avx512skx-i32x16 Linux LLVM 5.0 clang++5.0 -O0 *
  -./tests/shuffle-3.ispc runfail x86 avx512knl-i32x16 Linux LLVM 5.0 clang++5.0 -O0 *
  -./tests/shuffle-5.ispc runfail x86 avx512knl-i32x16 Linux LLVM 5.0 clang++5.0 -O0 *
  -./tests/shuffle-3.ispc runfail x86-64 avx512knl-i32x16 Linux LLVM 5.0 clang++5.0 -O0 *
  -./tests/shuffle-5.ispc runfail x86-64 avx512knl-i32x16 Linux LLVM 5.0 clang++5.0 -O0 *
  -
  -% LLVM 6.0 fails
  -
  -% LLVM 7.0 fails
  -
  % LLVM 8.0 fails
  % LLVM 9.0 fails
  