[clangd] Fix an assertion in TypoCorrection.

Summary: https://github.com/clangd/clangd/issues/7

Reviewers: sammccall, hokein

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

Tags: #clang

Differential Revision: https://reviews.llvm.org/D57944

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@353514 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed