message: construction_worker: trying to use libstdc++
diff: @@ -48,7 +48,7 @@ matrix:
  addons:
  apt:
  sources: ['ubuntu-toolchain-r-test', 'llvm-toolchain-trusty-5.0']
  - packages: ['g++-6', 'clang-5.0', 'ninja-build']
  + packages: ['clang-5.0', 'llvm-5.0-dev', 'ninja-build']
  # cppcheck
  - os: linux
  