Hello, On Thu, Jun 22, 2023 at 1:43 PM David Rowley <dgrowle...@gmail.com> wrote: > > 3. Avoid enlargement when nwords is equal wordnum. > > Can save cycles when in corner cases? > > No, you're just introducing a bug here. Arrays in C are zero-based, > so "wordnum >= a->nwords" is exactly the correct way to check if > wordnum falls outside the bounds of the existing allocated memory. By > changing that to "wordnum > a->nwords" we'll fail to enlarge the words > array when it needs to be enlarged by 1 element.
I agree with David. Unfortunately, some of the regression tests failed with the v5 patch. These failures are due to the bug introduced by the #3 change. -- Best regards, Yuya Watari