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From: Tom de Vries <tdevries@suse.de>
To: Tom Tromey <tom@tromey.com>,
	Tom de Vries via Gdb-patches <gdb-patches@sourceware.org>
Subject: Re: [PATCH][gdb/exp] Fix internal error when printing C++ pointer-to-member
Date: Tue, 5 Jul 2022 22:42:06 +0200	[thread overview]
Message-ID: <1dce1ba8-6f29-1ddc-ca83-720722a7c3ca@suse.de> (raw)
In-Reply-To: <87fsjfv1l4.fsf@tromey.com>

On 7/5/22 20:47, Tom Tromey wrote:
>>>>>> "Tom" == Tom de Vries via Gdb-patches <gdb-patches@sourceware.org> writes:
> 
> Tom> (gdb) print ptm^M
> Tom> $1 = gdb/gdbtypes.h:695: internal-error: loc_bitpos: \
> Tom>   Assertion `m_loc_kind == FIELD_LOC_KIND_BITPOS' failed.^M
> Tom> ...
> Tom> while printing a c++ pointer-to-member.
> 
> Is this crashing due to the static field?
> 

Yes.

> Tom> Fix this by skipping fields with m_loc_kind != FIELD_LOC_KIND_BITPOS in
> Tom> cp_find_class_member, such that we have:
> Tom> ...
> Tom> (gdb) print ptm^M
> Tom> $1 = &A::i^M
> Tom> ...
> 
> If so then I think it's better to skip when the field is static, not
> based on the loc_kind.

Ack, committed using field_is_static instead.

Thanks,
- Tom


      reply	other threads:[~2022-07-05 20:42 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-30 14:59 Tom de Vries
2022-07-05 18:47 ` Tom Tromey
2022-07-05 20:42   ` Tom de Vries [this message]

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