[GlobalOpt] Add newlines to DEBUG messages

I think these were affected by a change way back when to stop printing newlines in Value::dump() by default. This change simply allows the debug output to be readable.

NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@251517 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed