[PATCH] D53587: [clangd] Truncate SymbolID to 16 bytes.

[Sam McCall via Phabricator via cfe-commits]

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

The goal is 8 bytes, which has a nonzero risk of collisions with huge indexes.
This patch should shake out any issues with truncation at all, we can lower
further later.


Repository:
  rCTE Clang Tools Extra

https://reviews.llvm.org/D53587

Files:
  clangd/index/Index.cpp
  clangd/index/Index.h
  clangd/index/Serialization.cpp
  unittests/clangd/SerializationTests.cpp

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