[clangd] Bump index version number.
authorHaojian Wu <hokein.wu@gmail.com>
Tue, 10 Nov 2020 08:13:32 +0000 (09:13 +0100)
committerHaojian Wu <hokein.wu@gmail.com>
Tue, 10 Nov 2020 09:31:59 +0000 (10:31 +0100)
commit71064b02701dd65065dd412fb01afe81ff83f746
tree4c74161f018621a5b39e88012b70a19fa950d79e
parent085f900830e6687de54d3d6115c9517a55cc860a
[clangd] Bump index version number.

https://reviews.llvm.org/D89670 changed the Ref structure, we need to
bump the version to invalidate all stored stale data, otherwise we will
get ` Error while reading shard: malformed or truncated refs` when
building the background index.

Differential Revision: https://reviews.llvm.org/D91131
clang-tools-extra/clangd/index/Serialization.cpp