[RFA 06/13] Replace start_rbreak_breakpoints and end_rbreak_breakpoints

[Simon Marchi]

On 2017-11-02 18:36, Tom Tromey wrote:
>  static void
>  rbreak_command (char *regexp, int from_tty)
>  {
> -  struct cleanup *old_chain;
>    char *string = NULL;
>    int len = 0;
>    const char **files = NULL;
> @@ -4550,8 +4541,7 @@ rbreak_command (char *regexp, int from_tty)
>  						       FUNCTIONS_DOMAIN,
>  						       nfiles, files);
> 
> -  start_rbreak_breakpoints ();
> -  old_chain = make_cleanup (do_end_rbreak_breakpoints, NULL);
> +  scoped_rbreak_breakpoints finalize;
>    for (const symbol_search &p : symbols)
>      {
>        if (p.msymbol.minsym == NULL)
> @@ -4596,8 +4586,6 @@ rbreak_command (char *regexp, int from_tty)
>  			   MSYMBOL_PRINT_NAME (p.msymbol.minsym));
>  	}
>      }
> -
> -  do_cleanups (old_chain);
>  }
>  

Your patch LGTM.  But how is the "string" string freed in 
rbreak_command?

Simon