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Sun, 10 Dec 2023 08:10:19 +0000 Message-ID: <2e0d37d6-0595-444f-a700-8d977c096591@suse.de> Date: Sun, 10 Dec 2023 09:10:31 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 07/13] [gdb/symtab] Resolve deferred entries, inter-shard case Content-Language: en-US To: gdb-patches@sourceware.org References: <20231002125051.29911-1-tdevries@suse.de> <20231002125051.29911-8-tdevries@suse.de> From: Tom de Vries In-Reply-To: <20231002125051.29911-8-tdevries@suse.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Level: ************ X-Spam-Score: 12.80 X-Spamd-Result: default: False [-8.46 / 50.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; XM_UA_NO_VERSION(0.01)[]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; TO_DN_NONE(0.00)[]; R_SPF_SOFTFAIL(0.00)[~all:c]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[suse.de:+]; DMARC_POLICY_ALLOW(0.00)[suse.de,none]; MX_GOOD(-0.01)[]; DMARC_POLICY_ALLOW_WITH_FAILURES(-0.50)[]; 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spf=softfail (smtp-out1.suse.de: 2a07:de40:b281:104:10:150:64:97 is neither permitted nor denied by domain of tdevries@suse.de) smtp.mailfrom=tdevries@suse.de; dmarc=pass (policy=none) header.from=suse.de X-Spam-Status: No, score=-6.3 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 10/2/23 14:50, Tom de Vries via Gdb-patches wrote: > +const cooked_index_entry * > +cooked_index::find_parent_deferred_entry > + (const cooked_index_shard::deferred_entry &entry) const > +{ > + const cooked_index_entry *parent_entry = nullptr; > + for (auto &parent_map_shard : m_vector) > + { > + auto res = parent_map_shard->find_parent (entry.spec_offset); > + if (res != nullptr) > + { > + /* We currently assume that no derrered entry is > + dependent on another deferred entry. If that turns > + out to be not the case, detect it here. */ > + gdb_assert (res != &parent_map::deferred); > + I was testing a to-be-submitted v2 of this patch series, and ran into this assert. I was able to reproduce it using this series (v1) as well. A minimal trigger looks like: ... $ gdb -q -batch /usr/lib/debug/usr/lib64/libstdc++.so.6.0.32-13.2.1+git7813-150000.1.6.1.x86_64.debug ... so I suppose when I first tested this series I didn't have debuginfo for /usr/lib64/libstdc++.so.6 installed. Thanks, - Tom