On Friday, 22 January 2021 at 00:59:32 UTC, tsbockman wrote:
2) Remove, simplify, or mock up/stub out (like for unit tests)
some large chunk of the remaining code in the program, from a
part of the program that I *think* is unrelated to the error.
3) Re-test the program.
a) If the failure goes away, goto (2) and try again by
removing a different part of the program.
I should clarify here that when I say "try again" I mean from a
backup of the last version of the reduction-in-progress that
*did* demonstrate the failure.