Path: csiph.com!weretis.net!feeder6.news.weretis.net!news.misty.com!news.iecc.com!.POSTED.news.iecc.com!nerds-end From: Max B Newsgroups: comp.compilers Subject: binary search debugging of compilers Date: Fri, 19 May 2023 16:31:39 -0500 Organization: Compilers Central Sender: johnl@iecc.com Approved: comp.compilers@iecc.com Message-ID: <23-05-024@comp.compilers> References: <23-05-003@comp.compilers> <23-05-005@comp.compilers> <23-05-006@comp.compilers> <23-05-008@comp.compilers> <23-05-011@comp.compilers> <23-05-012@comp.compilers> <23-05-015@comp.compilers> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Injection-Info: gal.iecc.com; posting-host="news.iecc.com:2001:470:1f07:1126:0:676f:7373:6970"; logging-data="202"; mail-complaints-to="abuse@iecc.com" Keywords: tools, debug Posted-Date: 20 May 2023 18:02:46 EDT X-submission-address: compilers@iecc.com X-moderator-address: compilers-request@iecc.com X-FAQ-and-archives: http://compilers.iecc.com Xref: csiph.com comp.compilers:3480 We did something similar -- delta debugging -- with the Cinder JIT. Except we didn't have hashes, but instead lists of function names. It's an incredibly useful approach. See more at https://bernsteinbear.com/blog/cinder-jit-bisect/