message: travis: replace clang 8 with clang 10
diff: @@ -74,36 +74,39 @@ matrix:
  dist: bionic
  addons: *gcc9
  - - env: CMAKE_CXX_COMPILER=clang++-8 CMAKE_BUILD_TYPE=Debug CMAKE_CXX_FLAGS=-fsanitize=address,undefined
  + - env: CMAKE_CXX_COMPILER=clang++-9 CMAKE_BUILD_TYPE=Debug CMAKE_CXX_FLAGS=-fsanitize=address,undefined
  os: linux
  dist: bionic
  - addons: &clang8
  + addons: &clang9
  apt:
  + sources:
  + - sourceline: "deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-9 main"
  + key_url: "https://apt.llvm.org/llvm-snapshot.gpg.key"
  packages:
  - *default_packages
  - - clang-8
  + - clang-9
  - - env: CMAKE_CXX_COMPILER=clang++-8 CMAKE_BUILD_TYPE=Release
  + - env: CMAKE_CXX_COMPILER=clang++-9 CMAKE_BUILD_TYPE=Release
  os: linux
  dist: bionic
  - addons: *clang8
  + addons: *clang9
  - - env: CMAKE_CXX_COMPILER=clang++-9 CMAKE_BUILD_TYPE=Debug CMAKE_CXX_FLAGS=-fsanitize=address,undefined
  + - env: CMAKE_CXX_COMPILER=clang++-10 CMAKE_BUILD_TYPE=Debug CMAKE_CXX_FLAGS=-fsanitize=address,undefined
  os: linux
  dist: bionic
  - addons: &clang9
  + addons: &clang10
  apt:
  sources:
  - - sourceline: "deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-9 main"
  + - sourceline: "deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-10 main"
  key_url: "https://apt.llvm.org/llvm-snapshot.gpg.key"
  packages:
  - *default_packages
  - - clang-9
  + - clang-10
  - - env: CMAKE_CXX_COMPILER=clang++-9 CMAKE_BUILD_TYPE=Release
  + - env: CMAKE_CXX_COMPILER=clang++-10 CMAKE_BUILD_TYPE=Release
  os: linux
  dist: bionic
  - addons: *clang9
  + addons: *clang10
  - env: CMAKE_BUILD_TYPE=Debug CMAKE_CXX_FLAGS=-fsanitize=address,undefined
  os: osx
  