Changing long to int for consistency.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185656 91177308-0d34-0410-b5e6-96231b3b80d8
Add 'not' in front of a command that is expected to fail.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185659 91177308-0d34-0410-b5e6-96231b3b80d8