foo.cc: In function 'int main()':
foo.cc:21:17: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   21 |                 if(isPrime(x)==false)
      |                 ^~
foo.cc:23:25: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   23 |                         break;
      |                         ^~~~~