From: Tom Tromey <tromey@redhat.com>
To: "Agovic\, Sanimir" <sanimir.agovic@intel.com>
Cc: "gdb-patches\@sourceware.org" <gdb-patches@sourceware.org>
Subject: Re: [PATCH 05/10] vla: allow side effects for sizeof argument
Date: Mon, 18 Nov 2013 15:56:00 -0000 [thread overview]
Message-ID: <87vbzppuz5.fsf@fleche.redhat.com> (raw)
In-Reply-To: <0377C58828D86C4588AEEC42FC3B85A7176B5F16@IRSMSX105.ger.corp.intel.com> (Sanimir Agovic's message of "Mon, 18 Nov 2013 08:39:00 +0000")
>>>>> "Sanimir" == Agovic, Sanimir <sanimir.agovic@intel.com> writes:
Sanimir> It turns out this patch is not needed anymore as the bounds are
Sanimir> resolved before the sizeof function is called. So in v2 this
Sanimir> patch will be dropped from the series.
Tom> (gdb) print sizeof (array[x++])
Tom> For an ordinary array this should not modify x.
Sanimir> Indeed, that is the behavior we have now in HEAD@vla-c99.
I thought sizeof with a vla as an argument had to evaluate its argument.
So it seems that the above may yield incorrect semantics in some other
test case.
Tom
next prev parent reply other threads:[~2013-11-18 15:53 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-21 14:40 C99 variable length array support Sanimir Agovic
2013-10-21 14:40 ` [PATCH 02/10] type: add c99 " Sanimir Agovic
2013-11-07 19:02 ` Tom Tromey
2013-11-19 15:31 ` Agovic, Sanimir
2013-11-22 20:00 ` Tom Tromey
2013-11-27 17:08 ` Agovic, Sanimir
[not found] ` <0377C58828D86C4588AEEC42FC3B85A7176BC3DE@IRSMSX105.ger.corp.intel.com>
2013-11-27 17:15 ` Agovic, Sanimir
2013-11-07 19:10 ` Tom Tromey
2013-10-21 14:40 ` [PATCH 07/10] test: evaluate pointers to C99 vla correctly Sanimir Agovic
2013-11-07 20:57 ` Tom Tromey
2013-11-08 6:37 ` Tom Tromey
2013-11-07 21:14 ` Tom Tromey
2013-10-21 14:40 ` [PATCH 09/10] test: basic c99 vla tests Sanimir Agovic
2013-11-07 21:23 ` Tom Tromey
2013-10-21 14:40 ` [PATCH 04/10] vla: enable sizeof operator for indirection Sanimir Agovic
2013-11-07 19:57 ` Tom Tromey
2013-10-21 14:40 ` [PATCH 10/10] test: add mi vla test Sanimir Agovic
2013-11-07 21:31 ` Tom Tromey
2013-10-21 14:40 ` [PATCH 01/10] vla: introduce new bound type abstraction adapt uses Sanimir Agovic
2013-11-07 19:00 ` Tom Tromey
2013-11-18 11:15 ` Agovic, Sanimir
2013-10-21 14:40 ` [PATCH 08/10] test: multi-dimensional c99 vla Sanimir Agovic
2013-11-07 21:19 ` Tom Tromey
2013-10-21 14:40 ` [PATCH 05/10] vla: allow side effects for sizeof argument Sanimir Agovic
2013-10-24 19:55 ` Tom Tromey
2013-10-25 8:13 ` Agovic, Sanimir
2013-10-28 21:00 ` Tom Tromey
2013-11-18 9:37 ` Agovic, Sanimir
2013-11-18 15:56 ` Tom Tromey [this message]
2013-11-20 12:18 ` Agovic, Sanimir
2013-11-19 17:08 ` Pedro Alves
2013-11-20 12:47 ` Agovic, Sanimir
2013-11-20 13:24 ` Pedro Alves
2013-10-21 14:40 ` [PATCH 03/10] vla: enable sizeof operator to work with variable length arrays Sanimir Agovic
2013-11-07 19:10 ` Tom Tromey
2013-10-21 14:40 ` [PATCH 06/10] vla: update type from newly created value Sanimir Agovic
2013-11-07 20:56 ` Tom Tromey
2013-11-20 7:56 ` Agovic, Sanimir
2013-11-20 11:02 ` Pedro Alves
2013-11-20 13:08 ` Agovic, Sanimir
2013-11-21 18:50 ` Pedro Alves
2013-11-23 19:27 ` Doug Evans
2013-11-21 18:52 ` C99 variable length array support Pedro Alves
2013-11-21 19:01 ` Pedro Alves
2013-11-21 19:10 ` Pedro Alves
2013-11-22 10:53 ` Agovic, Sanimir
2013-11-22 12:35 ` Pedro Alves
2013-11-22 17:06 ` Agovic, Sanimir
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