[clangd] Collect location of macro definition in the ParsedAST

allows semantic hightlighting macro definition

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D67264

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@371504 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed