FileManager:
- set the 'StatSysCallCache' object using a setter method instead of
  FileManager's constructor. This allows the cache to be installed after the
  FileManager object is created.
- Add 'file mode' to FileEntry (useful for stat caching)


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64351 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed