message: try to bump versions
diff: @@ -8,7 +8,7 @@ env:
  matrix:
  include:
  - - name: "C++11 build"
  + - name: "C++11 build g+-8"
  env:
  - ARCH=amd64
  #compiler
  @@ -22,7 +22,7 @@ matrix:
  apt:
  packages: ['gcc-8', 'g++-8', 'cmake']
  - - name: "C++14 build"
  + - name: "C++14 build g++-8"
  env:
  - ARCH=amd64
  #compiler
  @@ -36,7 +36,7 @@ matrix:
  apt:
  packages: ['gcc-8', 'g++-8', 'cmake']
  - - name: "C++17 build"
  + - name: "C++17 build g++-8"
  env:
  - ARCH=amd64
  #compiler
  @@ -50,7 +50,21 @@ matrix:
  apt:
  packages: ['gcc-8', 'g++-8', 'cmake']
  - - name: "address sanitizer build"
  + - name: "C++17 build g++-9"
  + env:
  + - ARCH=amd64
  + #compiler
  + - CXX=g++-8
  + - CC=gcc-8
  + #build settings
  + - build_type=Release
  + - SANITIZER=false
  + - CXX_STANDARD=17
  + addons:
  + apt:
  + packages: ['gcc-8', 'g++-8', 'cmake']
  +
  + - name: "address sanitizer build, g++-8"
  if: branch = main AND false #disabled
  env:
  - ARCH=amd64
  @@ -62,25 +76,25 @@ matrix:
  - SANITIZER=true
  - CXX_STANDARD=17
  - - name: "coverage build"
  + - name: "coverage build, g++-8"
  if: branch = main
  env:
  - ARCH=amd64
  #compiler
  - - CXX=g++-7
  - - CC=gcc-7
  + - CXX=g++-8
  + - CC=gcc-8
  #build settings
  - build_type=Debug
  - CXXFLAGS="-O0 --coverage"
  - CXX_STANDARD=17
  addons:
  apt:
  - packages: ['gcc-7', 'g++-7', 'lcov', 'cmake']
  + packages: ['gcc-8', 'g++-8', 'lcov', 'cmake']
  script:
  - ./scripts/travis-build.sh
  - ./scripts/travis-after-success.sh
  - - name: "clang build"
  + - name: "clang build, clang++-9"
  if: branch = main AND false # disabled because of clang ICE
  compiler: clang++-9
  env:
  