ProgramPoint cleanup after the previous commit r141408 (remove the copy constructor, mark withTag const).

Move getProgramPoint() utility from CoreEngine.cpp into ProgramPoint.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141414 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed