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From: Tom de Vries <tdevries@suse.de>
To: Pedro Alves <pedro@palves.net>, gdb-patches@sourceware.org
Subject: Re: [pushed] [gdb/build, clang] Fix ignored aligned attribute
Date: Tue, 16 Jun 2026 08:27:34 +0200	[thread overview]
Message-ID: <5e07c7ba-81d5-4626-b1e2-2c59c9828e00@suse.de> (raw)
In-Reply-To: <27af1313-53fc-4de7-a707-4f24b0e51441@palves.net>

On 6/12/26 3:26 PM, Pedro Alves wrote:
> On 2026-06-12 11:41, Tom de Vries wrote:
>> PR build/34279 reports a build failure with clang.
>>
>> This is a regression since commit 6c85ef111b0 ("[gdb] Use using instead of
>> typedef"), which did:
>> ...
>> -typedef long __attribute__ ((__aligned__ (4))) compat_x32_clock_t;
>> +using compat_x32_clock_t = long __attribute__ ((__aligned__ (4)));
>> ...
>>
>> The problem is that clang ignores the attribute.
> 
> FYI, this form:
> 
>    using B [[gnu::aligned (4)]] = long;
> 
> works the same with gcc and clang.
> 

Hi Pedro,

thanks for this suggestion.

I've used this approach in a follow-up patch ( 
https://sourceware.org/pipermail/gdb-patches/2026-June/228041.html ).

Thanks,
- Tom

      reply	other threads:[~2026-06-16  6:28 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-12 10:41 Tom de Vries
2026-06-12 13:24 ` Tom Tromey
2026-06-16  7:26   ` Tom de Vries
2026-06-12 13:26 ` Pedro Alves
2026-06-16  6:27   ` Tom de Vries [this message]

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