/in/foo.c: In function 'main':
/in/foo.c:7:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(i=2;i<x;i++);
  ^~~
/in/foo.c:8:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
   if(x%i==0)break;
   ^~
/in/foo.c:8:13: error: break statement not within loop or switch
   if(x%i==0)break;
             ^~~~~