File have-gdb.threadexitedevent-inherit-from-gdb.threadev.patch of Package gdb

From 5e756961d8907915bd46e3a97078851169a9fdc7 Mon Sep 17 00:00:00 2001
From: Tom Tromey <tromey@adacore.com>
Date: Wed, 17 Sep 2025 08:49:27 -0600
Subject: [PATCH 10/25] 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>

(cherry picked from commit 3a9f5df6ea8adcae7769f271cccbc2da8553c08d)
---
 gdb/python/py-event-types.def                | 2 +-
 gdb/testsuite/gdb.python/py-thread-exited.py | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/gdb/python/py-event-types.def b/gdb/python/py-event-types.def
index e22f042bd6b..bef5fe2eb00 100644
--- a/gdb/python/py-event-types.def
+++ b/gdb/python/py-event-types.def
@@ -54,7 +54,7 @@ GDB_PY_DEFINE_EVENT_TYPE (new_thread,
 GDB_PY_DEFINE_EVENT_TYPE (thread_exited,
 			  "ThreadExitedEvent",
 			  "GDB thread exited event object",
-			  event_object_type);
+			  thread_event_object_type);
 
 GDB_PY_DEFINE_EVENT_TYPE (new_inferior,
 			  "NewInferiorEvent",
diff --git a/gdb/testsuite/gdb.python/py-thread-exited.py b/gdb/testsuite/gdb.python/py-thread-exited.py
index f813271bc3c..953e7cb8c70 100644
--- a/gdb/testsuite/gdb.python/py-thread-exited.py
+++ b/gdb/testsuite/gdb.python/py-thread-exited.py
@@ -26,6 +26,8 @@ def thread_exited_handler(event):
     global threadOneExit, threadTwoExit, mainThreadExit
     print("{}".format(event))
     assert isinstance(event, gdb.ThreadExitedEvent)
+    # Also check the inheritance.
+    assert isinstance(event, gdb.ThreadEvent)
     if threadOneExit == "":
         threadOneExit = "event type: thread-exited. global num: {}".format(
             event.inferior_thread.global_num
-- 
2.51.0