[analyzer] Remove the implemented Identical* checkers from the "potential" list.

Edit by Daniel Fahlgren.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@204842 91177308-0d34-0410-b5e6-96231b3b80d8
InstrProf: Use references

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@204845 91177308-0d34-0410-b5e6-96231b3b80d8
InstrProf: Use unique_ptr

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@204846 91177308-0d34-0410-b5e6-96231b3b80d8