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List:       gcc
Subject:    Re: RFC: Update Intel386, x86-64 and IA MCU psABIs for passing/returning empty struct
From:       "H.J. Lu" <hjl.tools () gmail ! com>
Date:       2016-02-20 22:35:34
Message-ID: CAMe9rOqMBvr_2vXhVqHwB-mvS3m+R-O63VpVtmk0SfK9t3tOgw () mail ! gmail ! com
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On Sat, Feb 20, 2016 at 11:40 AM, Matthijs van Duin
<matthijsvanduin@gmail.com> wrote:
> On 20 February 2016 at 20:34, H.J. Lu <hjl.tools@gmail.com> wrote:
>> Is there a class, which meets the above definition,  with a member function
>> which can't be passed without a memory slot or a register?
>
> The EmptyInt class in my first post in this thread. It has no
> non-static data members, has standard layout, and has a trivial
> default constructor, but it has a non-trivial copy constructor and
> non-trivial destructor.
>

Can a compiler tell if a copy constructor or destructor is trivial
from the class declaration without function body?

-- 
H.J.
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