[PATCH 1/3] btrace: Remove btrace disable cleanup

[Metzger, Markus T]

Hello Simon,


> This patch removes a cleanup that disables btrace on threads in case of
> failure, so we don't leave it enabled for some the threads and disabled
> for the rest.
> 
> gdb/ChangeLog:
> 
> 	* record-btrace.c (record_btrace_disable_callback): Remove.
> 	(struct scoped_btrace_disable): New.
> 	(record_btrace_open): Use scoped_btrace_disable.

Looks good to me.

Regards,
Markus.
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