/in/foo.cc: In function 'int in()':
/in/foo.cc:29:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  if(!f)return re;return -re;
  ^~
/in/foo.cc:29:18: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
  if(!f)return re;return -re;
                  ^~~~~~