[PATCH] D49783: [clangd] Do not rebuild AST if inputs have not changed

[Ilya Biryukov via Phabricator via cfe-commits]

ilya-biryukov updated this revision to Diff 157434.
ilya-biryukov added a comment.

- Move OldPreamble.reset() out of the lock, add a comment


Repository:
  rCTE Clang Tools Extra

https://reviews.llvm.org/D49783

Files:
  clangd/TUScheduler.cpp
  test/clangd/extra-flags.test
  unittests/clangd/TUSchedulerTests.cpp
  unittests/clangd/TestFS.cpp
  unittests/clangd/TestFS.h

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