Revert r238305: [PM] Use a simpler technique to drop optional analysis
manager arguments...

I have no idea why, but compilers seem to hate this and its late, so I'm
not going to debug it. :: sigh :: This is why we can't have nice things.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238306 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed