[all-commits] [llvm/llvm-project] d427df: [clangd] Don't use zlib when it's unavailable.

[Aleksandr Platonov via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: d427df6369f1d229a9f498b4dc621433ada380d2
      https://github.com/llvm/llvm-project/commit/d427df6369f1d229a9f498b4dc621433ada380d2
  Author: Aleksandr Platonov <platonov.aleksandr at huawei.com>
  Date:   2020-09-16 (Wed, 16 Sep 2020)

  Changed paths:
    M clang-tools-extra/clangd/index/Serialization.cpp

  Log Message:
  -----------
  [clangd] Don't use zlib when it's unavailable.

Without this patch `clangd` crashes at try to load compressed string table when `zlib` is not available.
Example:
- Build `clangd` with MinGW (`zlib` found)
- Build index
- Build `clangd` with Visual Studio compiler (`zlib` not found)
- Try to load index

Reviewed By: sammccall, adamcz

Differential Revision: https://reviews.llvm.org/D87673