[PATCH] D35729: [Frontend] - Mark some ASTUnit methods as const

[Hamza Sood via Phabricator via cfe-commits]

hamzasood created this revision.

While using the libtooling API, I ran into problems when using a const ASTUnit. There were a few functions I needed to use that don't seem to modify anything, but they weren't marked as const so I couldn't use them.

This patch marks those methods (and a few others) as const.


https://reviews.llvm.org/D35729

Files:
  include/clang/Frontend/ASTUnit.h
  lib/Frontend/ASTUnit.cpp

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