message: libmesh: clang-format
diff: // Copyright 2017 University of Massachusetts, Amherst
  #include <pthread.h>
  +#include <signal.h>
  #include <stdio.h> // for sprintf
  #include <stdlib.h> // for abort
  #include <unistd.h> // for write
  #include <cstdarg> // for va_start + friends
  #include <cstddef> // for size_t
  #include <new> // for operator new
  -#include <signal.h>
  #include "file-backed-mmapheap.h"
  #include "meshingheap.h"
  @@ -107,7 +107,6 @@ private:
  }
  private:
  -
  void installSigAltStack() {
  // TODO: install sigaltstack
  debug("TODO: install sigaltstack");
  