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[97.122.82.115]) by smtp.gmail.com with ESMTPSA id y4-20020a056602164400b007c806f797c5sm1868176iow.21.2024.03.11.13.14.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Mar 2024 13:14:55 -0700 (PDT) From: Tom Tromey To: Maxim Kuvyrkov Cc: tromey@adacore.com, gdb-testers@sourceware.org, Linaro Toolchain Working Group Subject: Re: [Linaro-TCWG-CI] gdb-14-branchpoint-1356-g7737b133640: FAIL: 1 regressions on arm References: <46425511.13456.1706361902239@jenkins.jenkins> <29B97042-BA6A-4EFB-8999-F4D35D8F1FC9@linaro.org> X-Attribution: Tom Date: Mon, 11 Mar 2024 14:14:54 -0600 In-Reply-To: <29B97042-BA6A-4EFB-8999-F4D35D8F1FC9@linaro.org> (Maxim Kuvyrkov's message of "Mon, 11 Mar 2024 19:56:19 +0400") Message-ID: <87zfv4o79d.fsf@tromey.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Status: No, score=-4.9 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,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: >>>>> Maxim Kuvyrkov writes: >> | commit gdb-14-branchpoint-1356-g7737b133640 >> | Author: Tom Tromey >> | Date: Tue Jan 9 11:47:17 2024 -0700 >> | >> | Handle DW_AT_endianity on enumeration types >> | >> | A user found that gdb would not correctly print a field from an Ada >> | record using the scalar storage order feature. We tracked this down >> | to a combination of problems. >> | >> | First, GCC did not emit DW_AT_endianity on the enumeration type. >> | ... 14 lines of the commit log omitted. > I see the above failure for both aarch64-linux-gnu and > arm-linux-gnueabihf in our testing. The log shows ([1]): > (gdb) PASS: gdb.ada/scalar_storage.exp: print V_LE > get_compiler_info: gcc-14-0-1 > Any idea what can be causing this? > This failure happens in CI configurations where we track tip-of-trunk GCC. This failure is what I would expect if your compiler does not have the fix. Can you see if your gcc includes this change? commit 5d8b60effc7268448a94fbbbad923ab6871252cd Author: Eric Botcazou Date: Wed Jan 10 13:23:46 2024 +0100 Fix debug info for enumeration types with reverse Scalar_Storage_Order This implements the support of DW_AT_endianity for enumeration types because they are scalar and therefore, reverse Scalar_Storage_Order is supported for them, but only when the -gstrict-dwarf switch is not passed because this is an extension. There is an associated GDB patch to be submitted to grok the new DWARF. thanks, Tom