foo.cc: In function ‘int main()’:
foo.cc:13:5: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation]
   13 |     for(int i=n-1;i>=0;--i)
      |     ^~~
foo.cc:24:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’
   24 |         return 0;
      |         ^~~~~~