message: Remove tests from fail_db.txt, which should not run at all
diff: %
  % Windows specific fails. transcendentals-10-0.ispc is not expected to work anywhere except Linux.
  -.\tests\transcendentals-10-0.ispc compfail x86 sse4 Windows LLVM 9.0 cl -O2 *
  -.\tests\transcendentals-10-0.ispc compfail x86 sse4 Windows LLVM 8.0 cl -O2 *
  -.\tests\transcendentals-10-0.ispc compfail x86 sse4 Windows LLVM 7.0 cl -O2 *
  -.\tests\transcendentals-10-0.ispc compfail x86 sse4 Windows LLVM 6.0 cl -O2 *
  -.\tests\transcendentals-10-0.ispc compfail x86 sse4 Windows LLVM 5.0 cl -O2 *
  % LLVM 5.0 fails
  ./tests/shuffle-3.ispc runfail x86 avx512skx-i32x16 Linux LLVM 5.0 clang++5.0 -O0 *
  % LLVM 8.0 fails
  % LLVM 9.0 fails
  +
  +% LLVM 10.0 fails
  