[clangd] Fix duplicate highlighting tokens appearing in initializer lists.
Summary: The RecursiveASTVisitor sometimes visits exprs in initializer lists twice. Added deduplication to prevent duplicate highlighting tokens from appearing. Done by sorting and a linear search.
Reviewers: hokein, sammccall, ilya-biryukov
Subscribers: MaskRay, jkorous, mgrang, arphaman, kadircet, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D64634
git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@366070 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed