[PATCH] D55455: Remove stat cache chaining as it's no longer needed after PTH support has been removed

[Alex Lorenz via Phabricator via cfe-commits]

arphaman created this revision.
arphaman added reviewers: erichkeane, dexonsmith, vsapsai, Bigcheese, ilya-biryukov.
Herald added a subscriber: jkorous.

Stat cache chaining was implemented for a StatListener in the PTH writer so that it could write out the stat information to PTH. r348266 removed support for PTH, and it doesn't seem like there are other uses of stat cache chaining. We can remove the chaining support.


Repository:
  rC Clang

https://reviews.llvm.org/D55455

Files:
  include/clang/Basic/FileManager.h
  include/clang/Basic/FileSystemStatCache.h
  lib/Basic/FileManager.cpp
  lib/Basic/FileSystemStatCache.cpp
  lib/Tooling/Tooling.cpp
  unittests/Basic/FileManagerTest.cpp

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