Have gdb.ThreadExitedEvent inherit from gdb.ThreadEvent The documentation says that ThreadExitedEvent is derived from ThreadEvent, but the code does not actually implement this. This patch fixes the problem. I propose applying this to gdb 17 as well. Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=33444 Approved-By: Simon Marchi <simon.marchi@efficios.com>