/in/foo.cc: In function 'bool prime(int)':
/in/foo.cc:8:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   if(x%i==0);
   ^~
/in/foo.cc:9:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
    return false;
    ^~~~~~