[clangd] Make sure macro information exists before increasing usage count.
authorEric Liu <ioeric@google.com>
Mon, 9 Jul 2018 18:54:51 +0000 (18:54 +0000)
committerEric Liu <ioeric@google.com>
Mon, 9 Jul 2018 18:54:51 +0000 (18:54 +0000)
commita62c9d62a32bbbba652b97e21d21e05b4b10fb94
treeeda38a605fcd5e850a99b0e53f4f865902d44fbf
parent0566f2352ae5286f73ed5fa2d7cc65933f486aac
[clangd] Make sure macro information exists before increasing usage count.

llvm-svn: 336581
clang-tools-extra/clangd/index/SymbolCollector.cpp