[PATCH] D84973: [clang][Syntax] syntax::Arena doesnt own TokenBuffer

[Kadir Cetinkaya via Phabricator via cfe-commits]

kadircet created this revision.
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Currently an Arena can only be built while consuming a TokenBuffer,
some users (like clangd) might want to share a TokenBuffer with multiple
compenents. This patch changes Arena's TokenBuffer member to be a reference so
that it can be created with read-only token buffers.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D84973

Files:
  clang/include/clang/Tooling/Syntax/Tree.h
  clang/lib/Tooling/Syntax/Tree.cpp
  clang/unittests/Tooling/Syntax/TreeTest.cpp

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