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d="scan'208";a="197228510" Received: from mail-qk0-f178.google.com ([209.85.220.178]) by mail3-smtp-sop.national.inria.fr with ESMTP/TLS/AES128-GCM-SHA256; 18 Oct 2016 15:16:32 +0200 Received: by mail-qk0-f178.google.com with SMTP id n189so291717973qke.0 for ; Tue, 18 Oct 2016 06:16:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=qVSYzn3L3Ce4u/iCQ2WRoThC+llMhED3CFNJil/H4aQ=; b=vXBSK430uw7DbUA2pN7d1qCiUqPyNGbnfj+XGEH+M0BvEI3RKGrRTOHKbR4k+lViiN mjK9z1B3ZvW2OFfjOZSkh1GShMF3CNtUVP3s2Xecb/bvAZsNP7SwbC2QHEasGLGK8h/4 B7rwLu9pOQnwuAVXcUKhtYCSq4NioACyMFpG39eRWK9NRra2ihecgYqPJ9Y6z5xQnaef eXL/x2gDbWHydJiPzlZ1QHt2D4/9RXZXVhOIembLZZ3mMkl1yMIminwU3sEXjyWLELtG ttW0m3317E1p3Wo9psrWu76ovHiSatIXx51zg/2wHWvZWtAsBfEzFhYz1Fm+tb8EE3ci IAtg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=qVSYzn3L3Ce4u/iCQ2WRoThC+llMhED3CFNJil/H4aQ=; b=Iif2fxmAPFnyyxsC0+SDhbIASx9F2x/zgySTbLY4wD+X8H1P/nJME9lOccaQpjlxkU N5GSsjQ91w9wG12F+w0PD/XZUEpgdz7cT66/cpuvknENqAvYzsL0O0BFjh4HynXq30+R QO/xO/9ZBgnG/WUjp5P3exlcsO2huH+FfM2zuK+brqQR7HeBPQR82cME5Ow38zTEQ0Sk T2bEJs8rqZ5sXDSz9+KnzHNcoMWZ3SpIwf5tl8I4iHWY5eRC72/bd06Ds6QruCyt2HYq WBsY/97uKVSYAwP71+11X0l08BP1FpK5RGKhdhPKbO0XsuXCO/LO6cy1xySGY5Mm5aGF gpoQ== X-Gm-Message-State: AA6/9Rkfcoz6mXSZWgKpGCkdrZzwtnBr/22yHq3jZQdfdPBQi0tzWRboWfJ4NMX7gGWrxVUztg4rJffva+kVhQ== X-Received: by 10.55.26.168 with SMTP id l40mr419313qkh.212.1476796590883; Tue, 18 Oct 2016 06:16:30 -0700 (PDT) MIME-Version: 1.0 Received: by 10.55.104.147 with HTTP; Tue, 18 Oct 2016 06:16:30 -0700 (PDT) In-Reply-To: References: From: Jeremy Yallop Date: Tue, 18 Oct 2016 14:16:30 +0100 Message-ID: To: Andre Nathan Cc: Caml List Content-Type: text/plain; charset=UTF-8 Subject: Re: [Caml-list] Segfault with open GADTs On 18 October 2016 at 13:47, Andre Nathan wrote: > I'm trying to use extensible variants to allow users to extend a type > from my library, which is a GADT, but it's resulting in a segfault when > the program is executed. I've managed to reproduce the issue with this code: It looks like an instance of this bug: http://caml.inria.fr/mantis/view.php?id=7330