forked from boostorg/beast
* Use clang 3.8
* Add msan/usan variants
* Build only gcc.coverage and clang.{asan,usan,msan}
* Make sure (correct) llvm-symbolizer is on PATH
* Use clang 3.8
* Add msan/usan variants
* Build only gcc.coverage and clang.{asan,usan,msan}
* Make sure (correct) llvm-symbolizer is on PATH