Teach __builtin_offsetof to compute the offsets of members of base
classes, since we only warn (not error) on offsetof() for non-POD
types. We store the base path within the OffsetOfExpr itself, then
evaluate the offsets within the constant evaluator.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102571 91177308-0d34-0410-b5e6-96231b3b80d8
9 files changed