message: removed old compilers no longer supported on travis CI
diff: @@ -72,14 +72,6 @@ matrix:
  packages: ["g++-4.4", "valgrind", "g++-4.4-multilib", "libc6-dbg", "libc6-dbg:i386"]
  sources: *apt_sources
  - # GCC 4.5
  - - env: COMPILER=g++-4.5
  - compiler: gcc
  - addons: &gcc45
  - apt:
  - packages: ["g++-4.5", "valgrind", "g++-4.5-multilib", "libc6-dbg", "libc6-dbg:i386"]
  - sources: *apt_sources
  -
  # GCC 4.6
  - env: COMPILER=g++-4.6
  compiler: gcc
  @@ -220,24 +212,6 @@ matrix:
  osx_image: xcode9.2
  os: osx
  - # OSX GCC 4.6
  - - env: COMPILER=g++-4.6
  - compiler: gcc
  - osx_image: xcode6.4
  - os: osx
  -
  - # OSX GCC 4.7
  - - env: COMPILER=g++-4.7
  - compiler: gcc
  - osx_image: xcode6.4
  - os: osx
  -
  - # OSX GCC 4.8
  - - env: COMPILER=g++-4.8 HAS_ASAN_32=true HAS_ASAN_64=true
  - compiler: gcc
  - osx_image: xcode6.4
  - os: osx
  -
  # OSX GCC 4.9
  - env: COMPILER=g++-4.9 HAS_UBSAN_32=true HAS_ASAN_64=true HAS_UBSAN_64=true # no ASAN_32 - errors when using ASAN_OPTIONS - probably g++ 4.9 bug
  compiler: gcc
  @@ -269,10 +243,6 @@ matrix:
  allow_failures:
  - # GCC 4.5
  - - env: COMPILER=g++-4.5
  - compiler: gcc
  -
  # GCC 7
  - env: COMPILER=g++-7 HAS_ASAN_32=true HAS_UBSAN_32=true HAS_ASAN_64=true HAS_UBSAN_64=true ADDITIONAL_CXX_FLAGS=" -fuse-ld=gold"
  compiler: gcc
  @@ -289,12 +259,6 @@ matrix:
  # Clang 5.0
  - env: COMPILER=clang++-5.0 HAS_ASAN_32=true HAS_UBSAN_32=true HAS_ASAN_64=true HAS_UBSAN_64=true
  - # OSX GCC 4.8
  - - env: COMPILER=g++-4.8 HAS_ASAN_32=true HAS_ASAN_64=true
  - compiler: gcc
  - osx_image: xcode6.4
  - os: osx
  -
  # OSX GCC 6
  - env: COMPILER=g++-6 HAS_ASAN_32=true HAS_UBSAN_32=true HAS_ASAN_64=true HAS_UBSAN_64=true
  compiler: gcc
  