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Changes from Git (git http://labmaster3.local/git/llvm-project.git)

Summary

  1. Revert "[clangd] Rethink how SelectionTree deals with macros and (details)
Commit 905b002c139f039a32ab9bf1fad63d745d12423f by sam.mccall
Revert "[clangd] Rethink how SelectionTree deals with macros and
#includes."
This reverts commit 19daa21f841ad45290c923689ee3d25198651a4c.
It causes a bunch of failures on a bot that I've been unable to
reproduce so far: http://45.33.8.238/mac/3308/step_7.txt
The file was modifiedclang-tools-extra/clangd/Selection.cpp
The file was modifiedclang/lib/Tooling/Syntax/Tokens.cpp
The file was modifiedclang-tools-extra/clangd/unittests/SelectionTests.cpp
The file was modifiedclang-tools-extra/clangd/unittests/TweakTests.cpp
The file was modifiedclang/include/clang/Tooling/Syntax/Tokens.h
The file was modifiedclang-tools-extra/clangd/Selection.h
The file was modifiedclang/unittests/Tooling/Syntax/TokensTest.cpp