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From: Jason Merrill <jason@redhat.com>
To: Tom Tromey <tom@tromey.com>, Pedro Alves <palves@redhat.com>
Cc: Jakub Jelinek <jakub@redhat.com>, Nick Clifton <nickc@redhat.com>,
		Ian Lance Taylor <iant@google.com>,
	Richard Biener <richard.guenther@gmail.com>,
	matz@gcc.gnu.org, 	Scott Gayou <sgayou@redhat.com>,
	gcc-patches List <gcc-patches@gcc.gnu.org>,
		Binutils <binutils@sourceware.org>,
	GDB Patches <gdb-patches@sourceware.org>
Subject: Re: RFC: libiberty PATCH to disable demangling of ancient mangling schemes
Date: Fri, 14 Dec 2018 22:39:00 -0000	[thread overview]
Message-ID: <CADzB+2k4AgmoKZN=Cn9KgPF5qX5YqaSq19=h0+cGaXyC_PZeZQ@mail.gmail.com> (raw)
In-Reply-To: <c277ce04-bf3e-45df-e094-953e47da37da@redhat.com>

On Fri, Dec 7, 2018 at 4:00 PM Jason Merrill <jason@redhat.com> wrote:
> On 12/7/18 12:48 PM, Tom Tromey wrote:
> >>>>>> "Pedro" == Pedro Alves <palves@redhat.com> writes:
> >
> > Pedro> I would say that it's very, very unlikely, and not worth it of the
> > Pedro> maintenance burden.
> >
> > Agreed, and especially true for the more unusual demanglings like Lucid
> > or EDG.
> >
> > On the gdb side perhaps we can get rid of "demangle-style" now.  It
> > probably hasn't worked properly in years, and after this it would be
> > guaranteed not to.
>
> So, here's the patch to tear out the old code, which passes the GCC
> regression testsuite.  I also tried building binutils/gdb with it, and
> both will need to remove code that calls cplus_mangle_opname for dealing
> with the old mangling scheme.

GDB/binutils folks, how do you want to handle this? Shall I go ahead
with this patch, with the understanding that there will be associated
changes necessary when merging it into the binutils-gdb repository, or
go with the small disabling patch to start with?

Jason

  reply	other threads:[~2018-12-14 22:39 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-30  8:38 RFA/RFC: Add stack recursion limit to libiberty's demangler Nick Clifton
2018-11-30  8:42 ` Jakub Jelinek
2018-11-30 10:27   ` Nick Clifton
2018-11-30 13:46     ` Michael Matz
2018-11-30 14:57       ` Ian Lance Taylor
2018-12-02  0:49         ` Cary Coutant
2018-12-03 14:53           ` Nick Clifton
2018-12-03 22:00           ` Joseph Myers
2018-11-30 13:56     ` Ian Lance Taylor
2018-11-30 14:03       ` Jakub Jelinek
2018-11-30 17:41         ` RFA/RFC: Add stack recursion limit to libiberty's demangler [v3] Nick Clifton
2018-11-30 17:49           ` Jakub Jelinek
2018-11-30 18:19           ` Pedro Alves
2018-12-03 10:28           ` Richard Biener
2018-12-03 14:45             ` Nick Clifton
2018-12-03 18:49               ` Ian Lance Taylor via gcc-patches
2018-12-04 14:00                 ` RFA/RFC: Add stack recursion limit to libiberty's demangler [v4] Nick Clifton
2018-12-04 15:02                   ` Pedro Alves
2018-12-04 16:57                     ` RFA/RFC: Add stack recursion limit to libiberty's demangler [v5] Nick Clifton
2018-12-04 17:08                       ` Pedro Alves
2018-12-06 11:12                         ` Nick Clifton
2018-12-06 18:04                           ` Ian Lance Taylor via gcc-patches
2018-12-07 16:17                             ` H.J. Lu
2018-12-07 16:25                               ` [PATCH] Set DEMANGLE_RECURSION_LIMIT to 1536 H.J. Lu
2018-12-10 14:52                                 ` Michael Matz
2018-12-10 15:10                                   ` Jakub Jelinek
2018-12-10 15:34                                     ` Jason Merrill
2018-12-11  0:33                                       ` Jeff Law
2018-12-11  6:58                                         ` Jakub Jelinek
2018-12-11 11:05                                           ` Pedro Alves
2018-12-11 14:26                                             ` Ian Lance Taylor via gcc-patches
2018-12-11 15:07                                               ` Pedro Alves
2018-12-11 10:34                                         ` Pedro Alves
2018-12-10 15:12                                   ` Nick Clifton
2018-12-10 15:18                                     ` Jakub Jelinek
2018-12-10 15:26                                       ` Nick Clifton
2018-12-10 15:35                                         ` Jakub Jelinek
2018-12-10 18:20                                           ` Ian Lance Taylor via gcc-patches
2018-12-10 18:55                                             ` Jakub Jelinek
2018-12-10 23:47                                               ` Jason Merrill
2018-12-10 15:18                                   ` David Malcolm
2018-12-10 15:31                                     ` Nick Clifton
2018-12-06 16:14                       ` RFA/RFC: Add stack recursion limit to libiberty's demangler [v5] Jason Merrill
2018-12-06 21:22                         ` RFC: libiberty PATCH to disable demangling of ancient mangling schemes Jason Merrill
2018-12-07 10:27                           ` Nick Clifton
2018-12-07 10:40                             ` Jakub Jelinek
2018-12-07 16:11                               ` Pedro Alves
2018-12-07 17:49                                 ` Tom Tromey
2018-12-07 21:00                                   ` Jason Merrill
2018-12-14 22:39                                     ` Jason Merrill [this message]
2018-12-16  4:50                                       ` Simon Marchi
2018-12-07 16:28                               ` Nick Clifton
2018-12-07 11:37                           ` Richard Biener
2018-12-07 15:49                             ` Jason Merrill
2018-12-10  1:04                               ` Eric Gallager

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