[PATCH] D68193: In openFileForRead don't cache erroneous entries if the error relates to them being directories. Add tests.

[Kousik Kumar via Phabricator via cfe-commits]

kousikk updated this revision to Diff 222669.
kousikk added a comment.

Add missed const


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D68193/new/

https://reviews.llvm.org/D68193

Files:
  clang/include/clang/Tooling/DependencyScanning/DependencyScanningFilesystem.h
  clang/lib/Tooling/DependencyScanning/DependencyScanningFilesystem.cpp

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