[PATCH] D65534: [clang] Change FileManager to use llvm::ErrorOr instead of null on failure

[Jonas Devlieghere via Phabricator via cfe-commits]

JDevlieghere added inline comments.


================
Comment at: clang/include/clang/Basic/FileManager.h:217
   ///
-  /// This returns NULL if the file doesn't exist.
+  /// This returns a \c std::error_code if there was an error loading the file.
   ///
----------------
harlanhaskins wrote:
> jkorous wrote:
> > Does that mean that it's now safe to assume the value is `!= NULL` in the absence of errors?
> That's the intent of these changes, yes, but it should also be documented. 👍
In line with the previous comment, should we just pass a reference then?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D65534/new/

https://reviews.llvm.org/D65534