foo.cc: In function ‘bool superPrime(int)’:
foo.cc:22:17: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation]
   22 |                 if (!isPrime(x))
      |                 ^~
foo.cc:24:25: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’
   24 |                         x /= 10;
      |                         ^