From patchwork Thu Jun 18 09:13:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pierre-Marie de Rodat X-Patchwork-Id: 1311963 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org (client-ip=2620:52:3:1:0:246e:9693:128c; helo=sourceware.org; envelope-from=gcc-patches-bounces@gcc.gnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=adacore.com Received: from sourceware.org (server2.sourceware.org [IPv6:2620:52:3:1:0:246e:9693:128c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 49nbqP4JDPz9sRh for ; Thu, 18 Jun 2020 19:14:41 +1000 (AEST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 89ABE3971C7D; Thu, 18 Jun 2020 09:13:34 +0000 (GMT) X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from rock.gnat.com (rock.gnat.com [IPv6:2620:20:4000:0:a9e:1ff:fe9b:1d1]) by sourceware.org (Postfix) with ESMTP id 6D898395CC4D for ; Thu, 18 Jun 2020 09:13:22 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 6D898395CC4D Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=adacore.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=derodat@adacore.com Received: from localhost (localhost.localdomain [127.0.0.1]) by filtered-rock.gnat.com (Postfix) with ESMTP id BF36456072; Thu, 18 Jun 2020 05:13:20 -0400 (EDT) X-Virus-Scanned: Debian amavisd-new at gnat.com Received: from rock.gnat.com ([127.0.0.1]) by localhost (rock.gnat.com [127.0.0.1]) (amavisd-new, port 10024) with LMTP id K1X-t3g852Zg; Thu, 18 Jun 2020 05:13:20 -0400 (EDT) Received: from tron.gnat.com (tron.gnat.com [205.232.38.10]) by rock.gnat.com (Postfix) with ESMTP id 92FEB56069; Thu, 18 Jun 2020 05:13:20 -0400 (EDT) Received: by tron.gnat.com (Postfix, from userid 4862) id 8F0F810A; Thu, 18 Jun 2020 05:13:20 -0400 (EDT) Date: Thu, 18 Jun 2020 05:13:20 -0400 From: Pierre-Marie de Rodat To: gcc-patches@gcc.gnu.org Subject: [Ada] No Default_Initial_Condition check when declaring an imported object Message-ID: <20200618091320.GA2113@adacore.com> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00, JMQ_SPF_NEUTRAL, KAM_DMARC_STATUS, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=no autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Steve Baird Errors-To: gcc-patches-bounces@gcc.gnu.org Sender: "Gcc-patches" Default initialization is not performed when an imported object is declared, so there should also be no Default_Initial_Condition check generated for such an object declaration. Tested on x86_64-pc-linux-gnu, committed on trunk 2020-06-18 Steve Baird gcc/ada/ * exp_ch3.adb (Expand_N_Object_Declaration): Do not generate a default initial condition check for the declaration of an imported object. --- gcc/ada/exp_ch3.adb +++ gcc/ada/exp_ch3.adb @@ -7516,6 +7516,7 @@ package body Exp_Ch3 is and then Has_DIC (Typ) and then Present (DIC_Procedure (Typ)) and then not Has_Init_Expression (N) + and then not Is_Imported (Def_Id) then declare DIC_Call : constant Node_Id := Build_DIC_Call (Loc, Def_Id, Typ);