Add 'MemRegion::getBaseRegion()', a utility method to strip ElementRegions with
index 0.  This will be used for refinements to InvalidateRegion and CastRegion.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77481 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed