[PATCH] Some infrastructure work for virtual file system (now on phab)

[Dmitri Gribenko]

================
Comment at: include/clang/Basic/VirtualFileSystem.h:87-90
@@ +86,6 @@
+public:
+  /// \brief Destroy the file after closing it (if open).
+  /// Sub-classes should generally call close() inside their destructors.  We
+  /// cannot do that from the base class, since close is virtual.
+  virtual ~File();
+  /// \brief Get the status of the file.
----------------
Dmitri Gribenko wrote:
> I could be misunderstanding something, but why not call the virtual close() from this destructor?
Right, we can not do that.  Please disregard this comment.


http://llvm-reviews.chandlerc.com/D2745