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GET /api/1.2/patches/814835/?format=api
{ "id": 814835, "url": "http://patchwork.ozlabs.org/api/1.2/patches/814835/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/20170918091158.GA36995@adacore.com/", "project": { "id": 17, "url": "http://patchwork.ozlabs.org/api/1.2/projects/17/?format=api", "name": "GNU Compiler Collection", "link_name": "gcc", "list_id": "gcc-patches.gcc.gnu.org", "list_email": "gcc-patches@gcc.gnu.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170918091158.GA36995@adacore.com>", "list_archive_url": null, "date": "2017-09-18T09:11:58", "name": "[Ada] Crash on illegal current instance", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "2068cd1514746ecf83d9ec30051c0f52bba8430a", "submitter": { "id": 64226, "url": "http://patchwork.ozlabs.org/api/1.2/people/64226/?format=api", "name": "Pierre-Marie de Rodat", "email": "derodat@adacore.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/20170918091158.GA36995@adacore.com/mbox/", "series": [ { "id": 3595, "url": "http://patchwork.ozlabs.org/api/1.2/series/3595/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=3595", "date": "2017-09-18T09:11:58", "name": "[Ada] Crash on illegal current instance", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/3595/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/814835/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/814835/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<gcc-patches-return-462361-incoming=patchwork.ozlabs.org@gcc.gnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "mailing list gcc-patches@gcc.gnu.org" ], "Authentication-Results": [ "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=gcc.gnu.org\n\t(client-ip=209.132.180.131; helo=sourceware.org;\n\tenvelope-from=gcc-patches-return-462361-incoming=patchwork.ozlabs.org@gcc.gnu.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org; dkim=pass (1024-bit key;\n\tunprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org\n\theader.b=\"qqpY9oF5\"; dkim-atps=neutral", "sourceware.org; auth=none" ], "Received": [ "from sourceware.org (server1.sourceware.org [209.132.180.131])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xwgHx5dWnz9s7h\n\tfor <incoming@patchwork.ozlabs.org>;\n\tMon, 18 Sep 2017 19:12:13 +1000 (AEST)", "(qmail 128811 invoked by alias); 18 Sep 2017 09:12:06 -0000", "(qmail 127878 invoked by uid 89); 18 Sep 2017 09:12:06 -0000", "from rock.gnat.com (HELO rock.gnat.com) (205.232.38.15) by\n\tsourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP;\n\tMon, 18 Sep 2017 09:11:59 +0000", "from localhost (localhost.localdomain [127.0.0.1])\tby\n\tfiltered-rock.gnat.com (Postfix) with ESMTP id 8D427560EA;\n\tMon, 18 Sep 2017 05:11:58 -0400 (EDT)", "from rock.gnat.com ([127.0.0.1])\tby localhost (rock.gnat.com\n\t[127.0.0.1]) (amavisd-new, port 10024)\twith LMTP id\n\t4p99D7+PPj5F; Mon, 18 Sep 2017 05:11:58 -0400 (EDT)", "from tron.gnat.com (tron.gnat.com [205.232.38.10])\tby\n\trock.gnat.com (Postfix) with ESMTP id 7CF6F560E6;\n\tMon, 18 Sep 2017 05:11:58 -0400 (EDT)", "by tron.gnat.com (Postfix, from userid 4862)\tid 7837B4FC;\n\tMon, 18 Sep 2017 05:11:58 -0400 (EDT)" ], "DomainKey-Signature": "a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id\n\t:list-unsubscribe:list-archive:list-post:list-help:sender:date\n\t:from:to:cc:subject:message-id:mime-version:content-type; q=dns;\n\ts=default; b=G/OYXU4x382ORv92bf+/q3j8E/ZxlZKpFchGJjf5GPuDBfNboA\n\tr/3IsRCVREZh5d426wOXPweQlJIjqg5el3cc89vDiJeOVNID5F4qQQHyz2NDXrRX\n\tztvDbYd83CrPRg9EYhptajHlRBhIvb/TfiQmt8baWxjFzget621nvZts0=", "DKIM-Signature": "v=1; a=rsa-sha1; c=relaxed; d=gcc.gnu.org; h=list-id\n\t:list-unsubscribe:list-archive:list-post:list-help:sender:date\n\t:from:to:cc:subject:message-id:mime-version:content-type; s=\n\tdefault; bh=xQbhkOEQDXhSOhZ4ys1W0WpMfGU=; b=qqpY9oF56rNUWwKV0i/d\n\tU1iPUD4Z2o4de/QA/9xywBrFug3ZnFwB/zWlGccHXLUHM2Cz8x5WkEWeB5UXsVsn\n\toHmXNB66NLCi9014yMUbbmeGsnTO5jFzsUsx6lhw8PRhrHIXsKdb2IIRMCwLncwB\n\ttF1kaVeX3ZYthoyh51ZM45s=", "Mailing-List": "contact gcc-patches-help@gcc.gnu.org; run by ezmlm", "Precedence": "bulk", "List-Id": "<gcc-patches.gcc.gnu.org>", "List-Unsubscribe": "<mailto:gcc-patches-unsubscribe-incoming=patchwork.ozlabs.org@gcc.gnu.org>", "List-Archive": "<http://gcc.gnu.org/ml/gcc-patches/>", "List-Post": "<mailto:gcc-patches@gcc.gnu.org>", "List-Help": "<mailto:gcc-patches-help@gcc.gnu.org>", "Sender": "gcc-patches-owner@gcc.gnu.org", "X-Virus-Found": "No", "X-Spam-SWARE-Status": "No, score=-11.9 required=5.0 tests=AWL, BAYES_00,\n\tGIT_PATCH_2, GIT_PATCH_3, RCVD_IN_DNSWL_NONE,\n\tSPF_PASS autolearn=ham version=3.3.2 spammy=Hx-languages-length:1438,\n\tColor, Crash", "X-HELO": "rock.gnat.com", "Date": "Mon, 18 Sep 2017 05:11:58 -0400", "From": "Pierre-Marie de Rodat <derodat@adacore.com>", "To": "gcc-patches@gcc.gnu.org", "Cc": "Bob Duff <duff@adacore.com>", "Subject": "[Ada] Crash on illegal current instance", "Message-ID": "<20170918091158.GA36995@adacore.com>", "MIME-Version": "1.0", "Content-Type": "multipart/mixed; boundary=\"7JfCtLOvnd9MIVvH\"", "Content-Disposition": "inline", "User-Agent": "Mutt/1.5.23 (2014-03-12)", "X-IsSubscribed": "yes" }, "content": "If the type_mark of a qualified_expression refers to the current\ninstance of the type, do not crash; instead give a proper error\nmessage. This is illegal by RM-8.6(17).\n\nThe following test should get an error:\n\ncurrent_instance_default.ads:2:54: current instance not allowed\n\npackage Current_Instance_Default is\n type Color is (Red, Orange) with Default_Value => Color'(Red); -- ERROR:\nend Current_Instance_Default;\n\nTested on x86_64-pc-linux-gnu, committed on trunk\n\n2017-09-18 Bob Duff <duff@adacore.com>\n\n\t* sem_ch4.adb (Analyze_Qualified_Expression): Give an error if the type\n\tmark refers to the current instance. Set the type to Any_Type in that\n\tcase, to avoid later crashes.", "diff": "Index: sem_ch4.adb\n===================================================================\n--- sem_ch4.adb\t(revision 252907)\n+++ sem_ch4.adb\t(working copy)\n@@ -3930,6 +3930,23 @@\n Set_Etype (N, Any_Type);\n Find_Type (Mark);\n T := Entity (Mark);\n+\n+ if Nkind_In\n+ (Enclosing_Declaration (N),\n+ N_Formal_Type_Declaration,\n+ N_Full_Type_Declaration,\n+ N_Incomplete_Type_Declaration,\n+ N_Protected_Type_Declaration,\n+ N_Private_Extension_Declaration,\n+ N_Private_Type_Declaration,\n+ N_Subtype_Declaration,\n+ N_Task_Type_Declaration)\n+ and then T = Defining_Identifier (Enclosing_Declaration (N))\n+ then\n+ Error_Msg_N (\"current instance not allowed\", Mark);\n+ T := Any_Type;\n+ end if;\n+\n Set_Etype (N, T);\n \n if T = Any_Type then\n", "prefixes": [ "Ada" ] }