[PATCH] Notify observer of breakpoint auto-disabling

[Simon Marchi]

On 2021-08-13 11:31 a.m., Patrick Monnerat via Gdb-patches wrote:
> As observer in currently notified of breakpoint stop before handling its
> auto-disabling after count is reached, the observer is never notified of
> the disabling.
> 
> This patch moves the observer notification after the auto-disabling
> code.
> 
> Fixes https://sourceware.org/bugzilla/show_bug.cgi?id=23336
> 
> * gdb/breakpoint.c (bpstat_stop_status): move observer notification
>   after auto-disabling code.
> ---
>  gdb/breakpoint.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c
> index 89af44ee4c6..feca224ccf4 100644
> --- a/gdb/breakpoint.c
> +++ b/gdb/breakpoint.c
> @@ -5491,7 +5491,6 @@ bpstat_stop_status (const address_space *aspace,
>  	  if (bs->stop)
>  	    {
>  	      ++(b->hit_count);
> -	      gdb::observers::breakpoint_modified.notify (b);
>  
>  	      /* We will stop here.  */
>  	      if (b->disposition == disp_disable)
> @@ -5501,6 +5500,7 @@ bpstat_stop_status (const address_space *aspace,
>  		    b->enable_state = bp_disabled;
>  		  removed_any = 1;
>  		}
> +	      gdb::observers::breakpoint_modified.notify (b);
>  	      if (b->silent)
>  		bs->print = 0;
>  	      bs->commands = b->commands;
> 

Is there some user-visible behavior change, that we could write a test for?

Simon