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Date: Sat, 17 Nov 2007 09:13:00 -0000
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From: Eli Zaretskii <eliz@gnu.org>
To: Nick Roberts <nickrob@snap.net.nz>
CC: drow@false.org, vladimir@codesourcery.com, gdb-patches@sources.redhat.com
In-reply-to: <18238.3787.459206.333769@kahikatea.snap.net.nz> (message from 	Nick Roberts on Sat, 17 Nov 2007 10:42:35 +1300)
Subject: Re: delete_breakpoint: don't try to insert other breakpoints
Reply-to: Eli Zaretskii <eliz@gnu.org>
References: <200711142324.11319.vladimir@codesourcery.com> 	<fhgn7n$jpc$1@ger.gmane.org> 	<utznmcxbv.fsf@gnu.org> 	<200711161334.40641.vladimir@codesourcery.com> 	<uodducuj4.fsf@gnu.org> 	<20071116130250.GA31441@caradoc.them.org> 	<ulk8ycjmy.fsf@gnu.org> <18238.3787.459206.333769@kahikatea.snap.net.nz>
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> From: Nick Roberts <nickrob@snap.net.nz>
> Date: Sat, 17 Nov 2007 10:42:35 +1300
> Cc: Daniel Jacobowitz <drow@false.org>, vladimir@codesourcery.com,
> 	gdb-patches@sources.redhat.com
> 
>  > > Eli, how is code which will never be reached a feature?
>  > 
>  > The code is never reached only as long as breakpoints are deleted
>  > synchronously (because we remove the breakpoint instruction as soon as
>  > the inferior stops).
> 
> I've run the testsuite using my asynchronous version of GDB, with and
> without Vladimir's change and, in fact, there was one less failure and
> seven more passes with it. Notably, the extra passes with print-threads.exp
> involved breakpoints.

That's because we don't allow deleting breakpoints asynchronously even
in the async version, AFAIK.