From: Andreas Schwab <schwab@linux-m68k.org>
To: Russell Shaw <rjshaw@netspace.net.au>
Cc: gdb@sourceware.org
Subject: Re: sizeof
Date: Tue, 10 May 2022 16:48:25 +0200 [thread overview]
Message-ID: <87czgl1m12.fsf@igel.home> (raw)
In-Reply-To: <dc776675-488f-52f7-3b67-9ccf8c59fcca@netspace.net.au> (Russell Shaw's message of "Wed, 11 May 2022 00:20:38 +1000")
On Mai 11 2022, Russell Shaw wrote:
> On 10/5/22 5:22 pm, Andreas Schwab wrote:
>> On Mai 10 2022, Russell Shaw wrote:
>>
>>>> Andreas Schwab wrote:
>>>> On Mai 09 2022, Russell Shaw wrote:
>>>>
>>>>> sizeof(int()) should transform to sizeof(int (*)()) according to the C++20
>>>>> standard.
>>>>
>>>> No, see [expr.sizeof] #3.
>>>
>>> What does "[expr.sizeof] #3" refer to ?
>> Paragrph #3 in section [expr.sizeof].
>> "The lvalue-to-rvalue (7.3.1), array-to-pointer (7.3.2), and
>> function-to-pointer (7.3.3) standard conversions are not applied to
>> the operand of sizeof."
>
> "Standard conversions" are only applied to expressions, not type-id (which
> is an abstract declarator syntax).
So what's the chapter and verse for your claim?
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1
"And now for something completely different."
next prev parent reply other threads:[~2022-05-10 14:48 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-08 15:22 sizeof Russell Shaw
2022-05-08 17:29 ` sizeof Simon Marchi
2022-05-08 17:48 ` sizeof Andreas Schwab
2022-05-09 7:21 ` sizeof Russell Shaw
2022-05-09 7:35 ` sizeof Andreas Schwab
2022-05-10 3:46 ` sizeof Russell Shaw
2022-05-10 7:22 ` sizeof Andreas Schwab
2022-05-10 14:20 ` sizeof Russell Shaw
2022-05-10 14:48 ` Andreas Schwab [this message]
2022-05-10 15:43 ` sizeof Russell Shaw
2022-05-10 15:48 ` sizeof Russell Shaw
2022-05-10 16:06 ` sizeof Andreas Schwab
2022-05-11 5:38 ` sizeof Russell Shaw
2022-05-11 8:16 ` sizeof Russell Shaw
2022-05-11 17:44 ` sizeof Russell Shaw
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