foo.cc: In function 'bool prime(int)':
foo.cc:6:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
    6 |     if(n == 1)
      |     ^~
foo.cc:8:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
    8 |         int i,k;
      |         ^~~

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