On 2019-10-04 19:36, Tom Lane wrote: > Hm. This trace says that the crash happened somewhere down inside ICU > itself, during the ucol_open() call in get_collation_actual_version(). > There isn't much we could have done to mess up the arguments to that > function. That would seem to mean that it's ICU's bug not ours. Some build farm coverage of Windows+ICU would be nice. We have test cases in place that might have caught this. -- Peter Eisentraut http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services