[PATCH] D58037: [clangd] Prefer location from codegen files when merging symbols.

[Eric Liu via Phabricator via cfe-commits]

ioeric created this revision.
ioeric added a reviewer: sammccall.
Herald added subscribers: cfe-commits, kadircet, arphaman, jkorous, MaskRay, ilya-biryukov.
Herald added a project: clang.

For example, if an index symbol has location in a .proto file and an AST symbol
has location in a generated .proto.h file, then we prefer location in .proto
which is more meaningful to users.

Also use `mergeSymbols` to get the preferred location between AST location and index location in go-to-def.


Repository:
  rCTE Clang Tools Extra

https://reviews.llvm.org/D58037

Files:
  clangd/XRefs.cpp
  clangd/index/Merge.cpp
  unittests/clangd/IndexTests.cpp
  unittests/clangd/XRefsTests.cpp

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