Add an implementation of -dM that follows GCC closely enough to permit
diffing the output of:
  clang -dM -o - -E -x c foo.c | sort


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63926 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed