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From: Tom Tromey <tom@tromey.com>
To: Gary Benson via Gdb-patches <gdb-patches@sourceware.org>
Subject: Re: [PATCH] KFAIL variable-length array tests which fail with Clang
Date: Wed, 18 Nov 2020 09:14:44 -0700	[thread overview]
Message-ID: <87mtzek5fv.fsf@tromey.com> (raw)
In-Reply-To: <1605547055-25778-1-git-send-email-gbenson@redhat.com> (Gary Benson via Gdb-patches's message of "Mon, 16 Nov 2020 17:17:35 +0000")

>>>>> "Gary" == Gary Benson via Gdb-patches <gdb-patches@sourceware.org> writes:

Gary> Clang describes the upper bounds of variable length arrays using
Gary> a DW_AT_count attribute which references the DIE of a synthetic
Gary> variable whose value is specified using a DW_AT_location.  In
Gary> some cases GDB correctly handles these, but in other cases GDB
Gary> adds an extra dereference causing the test to fail.  This commit
Gary> marks these failing tests as caused by PR gdb/26905 when the
Gary> test executable was built using Clang.

Shouldn't we just fix the gdb bug instead?
Or is there something preventing that?  I feel like I may not fully
appreciate the problem.

Tom

  reply	other threads:[~2020-11-18 16:14 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-16 17:17 Gary Benson via Gdb-patches
2020-11-18 16:14 ` Tom Tromey [this message]
2020-11-19 22:53   ` Tom de Vries
2020-11-20 15:15     ` [PATCH][gdb/symtab] Fix gdb.base/vla-optimized-out.exp with clang Tom de Vries
2020-11-21 17:16       ` [gdb/testsuite] Add clang xfail in gdb.base/vla-ptr.exp Tom de Vries
2020-11-20 15:50     ` [PATCH] KFAIL variable-length array tests which fail with Clang Tom Tromey
2020-11-20 16:30       ` Tom de Vries
2020-11-20 16:51         ` Tom Tromey
2020-11-23 10:34           ` [PATCH][gdb/symtab] Fix gdb.base/vla-optimized-out.exp with clang Tom de Vries
2020-11-25 14:50             ` Gary Benson via Gdb-patches
2020-11-25 15:25               ` Gary Benson via Gdb-patches
2020-11-25 20:05                 ` Tom de Vries
2020-11-26 10:10                   ` Gary Benson via Gdb-patches
2020-11-30 12:51             ` [committed][PATCH][gdb/symtab] " Tom de Vries

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