Implement checking for macro definitions that occur on the command
line when using a PCH that were not provided when building the PCH
file. If those names were used as identifiers somewhere in the PCH
file, reject the PCH file.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70321 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed