[PATCH] D70235: [clangd] Add isHeaderFile helper.

[pre-merge checks [bot] via Phabricator via cfe-commits]

merge_guards_bot added a comment.

Build result: pass - 60058 tests passed, 0 failed and 729 were skipped.
Log files: console-log.txt <http://results.llvm-merge-guard.org/amd64_debian_testing_clang8-84/console-log.txt>, CMakeCache.txt <http://results.llvm-merge-guard.org/amd64_debian_testing_clang8-84/CMakeCache.txt>


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D70235/new/

https://reviews.llvm.org/D70235