message: Updated fail_db with LLVM 13.0 failures
diff: ./tests/recursion.ispc runfail xe64 gen9-x16 unspec Linux LLVM 12.0 clang++12.0 O0 spv *
  ./tests/short-vec-6.ispc runfail xe64 gen9-x8 unspec Linux LLVM 12.0 clang++12.0 O0 spv *
  ./tests/short-vec-6.ispc runfail xe64 gen9-x16 unspec Linux LLVM 12.0 clang++12.0 O0 spv *
  +./tests/short-vec-6.ispc runfail xe64 gen9-x8 unspec Linux LLVM 13.0 clang++13.0 O0 spv *
  +./tests/short-vec-6.ispc runfail xe64 gen9-x16 unspec Linux LLVM 13.0 clang++13.0 O0 spv *
  