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[75.166.229.74]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-48f723d3459sm52352fac.8.2026.09.21.12.30.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Sep 2026 12:30:55 -0700 (PDT) From: Tom Tromey To: Simon Marchi Cc: Tom Tromey , gdb-patches@sourceware.org Subject: Re: [PATCH] Return lazy value from allocate_repeat_value In-Reply-To: <0a491ae3-f893-4543-afd8-658f650bd042@simark.ca> (Simon Marchi's message of "Mon, 21 Sep 2026 13:46:44 -0400") References: <20260921161632.1602438-1-tromey@adacore.com> <0a491ae3-f893-4543-afd8-658f650bd042@simark.ca> X-Attribution: Tom Date: Mon, 21 Sep 2026 13:30:54 -0600 Message-ID: <87h5jijtap.fsf@tromey.com> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces~public-inbox=simark.ca@sourceware.org >> + # A regression test for a buffer overflow. PR gdb/34132. >> + gdb_test_no_output {set $ctable = (char *) ctable2} Simon> Just wondering, is the use of the convenience var necessary? Doesn't seem to be, that was just a leftover from my various attempts to reproduce the crash. >> + gdb_test_no_output "set max-value-size 16" >> + gdb_test_no_output "set print elements 10" >> + gdb_test {print $ctable[0] @ 20} \ >> + [quotemeta {$@DECIMAL = {97 'a', 88 'X' ...}}] >> + gdb_test_no_output "set max-value-size 65536" >> + gdb_test_no_output "set print elements 200" Simon> Can you do Simon> with max-value-size 16 -- with print elements 10 -- ... Simon> to avoid having to set and reset the settings? Yep. Simon> Approved-By: Simon Marchi Thanks. Tom