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From: Martin Sebor <msebor@gmail.com>
To: gcc-patches <gcc-patches@gcc.gnu.org>
Subject: PING 2 [PATCH] avoid -Warray-bounds checks for vtable assignments (PR 98266)
Date: Sat, 6 Feb 2021 10:12:55 -0700	[thread overview]
Message-ID: <c7daac1b-a451-e5ab-3b68-19bb6e7b114f@gmail.com> (raw)
In-Reply-To: <3d36badc-429f-98d4-51fd-df6a2fe9e218@gmail.com>

Ping 2:
   https://gcc.gnu.org/pipermail/gcc-patches/2021-January/563894.html

On 1/29/21 10:22 AM, Martin Sebor wrote:
> Ping:
> https://gcc.gnu.org/pipermail/gcc-patches/2021-January/563894.html
> 
> On 1/19/21 5:56 PM, Martin Sebor wrote:
>> Similar to the problem reported for -Wstringop-overflow in pr98266
>> and already fixed, -Warray-bounds is also susceptible to false
>> positives in assignments and copies involving virtual inheritance.
>> Because the two warnings don't share code yet (hopefully in GCC 12)
>> the attached patch adds its own workaround for this problem to
>> gimple-array-bounds.cc, this one slightly more crude because of
>> the limited insight the array bounds checking has into the checked
>> expressions.
>>
>> Tested on x86_64-linux.
>>
>> Martin
> 


  reply	other threads:[~2021-02-06 17:12 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-20  0:56 Martin Sebor
2021-01-29 17:22 ` PING " Martin Sebor
2021-02-06 17:12   ` Martin Sebor [this message]
2021-02-08 19:59 ` Jeff Law
2021-02-08 21:56   ` Martin Sebor
2021-02-08 22:26     ` Jeff Law
2021-02-08 22:44       ` Martin Sebor
2021-02-08 23:11         ` Jeff Law
2021-02-09 17:49           ` Martin Sebor
2021-02-23 16:02             ` PING " Martin Sebor
2021-02-23 21:52               ` Jason Merrill
2021-02-23 23:07                 ` Martin Sebor
2021-02-25  0:35                   ` Jason Merrill
2021-03-01 23:11                     ` Martin Sebor
2021-03-02 14:11                       ` Jason Merrill
2021-03-03 23:20                         ` Martin Sebor
2021-03-04  5:33                           ` Jason Merrill
2021-03-04 17:44                             ` Martin Sebor
2021-03-04 20:00                               ` Jason Merrill
2021-02-25 23:47                 ` Jeff Law
2021-02-26  3:56                   ` Jason Merrill
2021-02-25 23:40         ` Jeff Law
2021-03-01 23:16           ` Martin Sebor
2021-02-25 23:15     ` Jeff Law

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