[bug #62547] libdriver/input.cpp: allocation of zero sized arrays, compiler warning [-Walloc-zero]

[G. Branden Robinson]

Update of bug #62547 (project groff):

                  Status:                    None => Invalid                
             Assigned to:                    None => gbranden               
             Open/Closed:                    Open => Closed                 

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Follow-up Comment #2:

My gcc does not warn about this even though it does with bug #62398.

Inspecting the code, the reason is obvious.


IntArray::IntArray(const size_t n)
{
  if (n <= 0)
    fatal("number of integers to be allocated must be > 0");
  num_allocated = n;
  data = new IntArg[num_allocated];
  num_stored = 0;
}


The allocation is unreachable if `n` is zero.

Resolving as invalid.


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