In the AST reader and writer, slide the preprocessed entity IDs by +1
so that we use ID zero as a sentinel for "no result". This matches the
convention set by all of the other global IDs.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136885 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed