/in/foo.c: In function 'main':
/in/foo.c:9:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  if(xmin>xmax);
  ^~
/in/foo.c:10:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
  {
  ^