{"id":810951,"url":"http://patchwork.ozlabs.org/api/1.2/patches/810951/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/patch/20170907100927.GA69543@adacore.com/","project":{"id":17,"url":"http://patchwork.ozlabs.org/api/1.2/projects/17/?format=json","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":"<20170907100927.GA69543@adacore.com>","list_archive_url":null,"date":"2017-09-07T10:09:27","name":"[Ada] Return raise with access class-wide interface","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"87b2927b79a39df6586848ad1cd0ced353c12e48","submitter":{"id":4418,"url":"http://patchwork.ozlabs.org/api/1.2/people/4418/?format=json","name":"Arnaud Charlet","email":"charlet@adacore.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/gcc/patch/20170907100927.GA69543@adacore.com/mbox/","series":[{"id":1973,"url":"http://patchwork.ozlabs.org/api/1.2/series/1973/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/list/?series=1973","date":"2017-09-07T10:09:27","name":"[Ada] Return raise with access class-wide interface","version":1,"mbox":"http://patchwork.ozlabs.org/series/1973/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/810951/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/810951/checks/","tags":{},"related":[],"headers":{"Return-Path":"","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-461676-incoming=patchwork.ozlabs.org@gcc.gnu.org;\n\treceiver=)","ozlabs.org; dkim=pass (1024-bit key;\n\tunprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org\n\theader.b=\"yJvUzq2l\"; 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 3xnx5R6Rgcz9t2c\n\tfor ;\n\tThu, 7 Sep 2017 20:09:47 +1000 (AEST)","(qmail 126803 invoked by alias); 7 Sep 2017 10:09:31 -0000","(qmail 126537 invoked by uid 89); 7 Sep 2017 10:09:30 -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\tThu, 07 Sep 2017 10:09:29 +0000","from localhost (localhost.localdomain [127.0.0.1])\tby\n\tfiltered-rock.gnat.com (Postfix) with ESMTP id F0CC6561A4;\n\tThu, 7 Sep 2017 06:09:27 -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\tK33IWb36Rr3N; 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run by ezmlm","Precedence":"bulk","List-Id":"","List-Unsubscribe":"","List-Archive":"","List-Post":"","List-Help":"","Sender":"gcc-patches-owner@gcc.gnu.org","X-Virus-Found":"No","X-Spam-SWARE-Status":"No, score=-11.9 required=5.0 tests=BAYES_00, GIT_PATCH_2,\n\tGIT_PATCH_3, RCVD_IN_DNSWL_NONE,\n\tSPF_PASS autolearn=ham version=3.3.2 spammy=Hx-languages-length:1105","X-HELO":"rock.gnat.com","Date":"Thu, 7 Sep 2017 06:09:27 -0400","From":"Arnaud Charlet ","To":"gcc-patches@gcc.gnu.org","Cc":"Bob Duff ","Subject":"[Ada] Return raise with access class-wide interface","Message-ID":"<20170907100927.GA69543@adacore.com>","MIME-Version":"1.0","Content-Type":"multipart/mixed; boundary=\"Q68bSM7Ycu6FN28Q\"","Content-Disposition":"inline","User-Agent":"Mutt/1.5.23 (2014-03-12)"},"content":"This patches fixes a bug in which a function returns an anonymous access\ntype whose designated type is a class-wide interface type, and the\nreturn statement returns a raise expression, the compiler crashes.\n\nTested on x86_64-pc-linux-gnu, committed on trunk\n\n2017-09-07 Bob Duff \n\n\t* sem_ch6.adb (Analyze_Function_Return): Do not\n\tinsert an explicit conversion to force the displacement of the\n\t\"this\" pointer to reference the secondary dispatch table in the\n\tcase where the return statement is returning a raise expression,\n\tas in \"return raise ...\".","diff":"Index: sem_ch6.adb\n===================================================================\n--- sem_ch6.adb\t(revision 251835)\n+++ sem_ch6.adb\t(working copy)\n@@ -910,7 +910,7 @@\n if Expander_Active\n and then Serious_Errors_Detected = 0\n and then Is_Access_Type (R_Type)\n- and then Nkind (Expr) /= N_Null\n+ and then not Nkind_In (Expr, N_Null, N_Raise_Expression)\n and then Is_Interface (Designated_Type (R_Type))\n and then Is_Progenitor (Designated_Type (R_Type),\n Designated_Type (Etype (Expr)))\n","prefixes":["Ada"]}