foo.cc: In member function 'void Array::Add(int)':
foo.cc:24:17: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
   24 |                 else
      |                 ^~~~
foo.cc:25:49: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
   25 |                         tail->next = newn;      tail = newn;
      |                                                 ^~~~

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