bug#53809: 29.0.50; fatal error: assertion failed: string_immovable_p (bytestr)

[Eli Zaretskii]

> From: Mattias Engdegård <mattiase@acm.org>
> Date: Mon, 7 Feb 2022 16:01:17 +0100
> Cc: Gregor Zattler <telegraph@gmx.net>, 53809@debbugs.gnu.org
> 
> The invariant that the actual bytecode string of a bytecode object
> is immovable is not supposed to be violated

Does this mean that Emacs will now be even less willing to return
memory to the OS, because the bytecode strings cannot be moved by GC?