[PATCH] D89914: SourceManager: Make LastLineNoContentCache and ContentCache::SourceLineCache mutable, NFC

[Duncan P. N. Exon Smith via Phabricator via cfe-commits]

dexonsmith created this revision.
dexonsmith added a reviewer: shafik.
Herald added a subscriber: ributzka.
dexonsmith requested review of this revision.

Avoid some noisy `const_cast`s by making `ContentCache::SourceLineCache`
and `SourceManager::LastLineNoContentCache` both mutable.


https://reviews.llvm.org/D89914

Files:
  clang/include/clang/Basic/SourceManager.h
  clang/lib/Basic/SourceManager.cpp
  clang/lib/Lex/ScratchBuffer.cpp

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