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From: Tom Tromey <tom@tromey.com>
To: 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, 05 Jul 2022 12:47:19 -0600	[thread overview]
Message-ID: <87fsjfv1l4.fsf@tromey.com> (raw)
In-Reply-To: <20220630145930.GA20127@delia.home> (Tom de Vries via Gdb-patches's message of "Thu, 30 Jun 2022 16:59:31 +0200")

>>>>> "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?

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.

Tom

  reply	other threads:[~2022-07-05 18:47 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 [this message]
2022-07-05 20:42   ` Tom de Vries

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