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

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

dexonsmith added a comment.

Note that this was in response to Shafik's comment in https://reviews.llvm.org/D89554.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D89914/new/

https://reviews.llvm.org/D89914