Sean Dewar 2211953266 fix(api): on_detach consistently before buf_freeall autocmds ...

Problem: on_detach may be called after buf_freeall and other important things,
plus its textlock restrictions are insufficient. This can cause issues such as
leaks, internal errors and crashes.

Solution: disable buffer updates in buf_freeall, before autocommands (like the
order after #35355 and when do_ecmd reloads a buffer). Don't do so in
free_buffer_stuff; it's not safe to run user code there, and buf_freeall already
runs before then; just free them to avoid leaks if buf_freeall autocommands
registered more for some reason.

Fixes #28084
Fixes #33967
Fixes #35116

2025-08-17 22:32:53 +01:00

46 KiB

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