From patchwork Tue Jan 31 13:26:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arthur Cohen X-Patchwork-Id: 64006 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id B053B3AA88F4 for ; Tue, 31 Jan 2023 13:27:15 +0000 (GMT) X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from mail-wm1-x330.google.com (mail-wm1-x330.google.com [IPv6:2a00:1450:4864:20::330]) by sourceware.org (Postfix) with ESMTPS id CFB5A3882060 for ; Tue, 31 Jan 2023 13:23:06 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org CFB5A3882060 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=embecosm.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=embecosm.com Received: by mail-wm1-x330.google.com with SMTP id hn2-20020a05600ca38200b003dc5cb96d46so3484954wmb.4 for ; Tue, 31 Jan 2023 05:23:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=embecosm.com; s=google; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=KmnmS/Woe9ujaYnrNmOTvP9wBqQtbgnkCReFkSRCw5I=; b=C/Bdr0Bq5+jror95UicrKw71HVb6TGCSYBIWh5gxaPX/rTPu+kR7cNSuf0MkD3qfFK nh1BMdbK7EvrBXtVBQyQrKKgoYN3NjsMP2BrXo0yPAE7I0+Z/7M9XGvhUBhlX1QObmyZ amSM3krs39MIl+KmUkxSQfqL9LI6/bmmxgqA3+eVqmWdefM6Es7cFCsINo8nxC30rkNK QMbMTTPyfCXF0NrcYfC31LBEKl92sYgHXYzoC0onX3dKQGjTwSdnOB1ik456JbsykxyY ht2paJTOiV+O035jvEhddHYV02+RUyX/8/6D9dMrAZ7sLTibAgpWVzwwNPmWxFvK/+I2 ltjw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=KmnmS/Woe9ujaYnrNmOTvP9wBqQtbgnkCReFkSRCw5I=; b=mqRWRh247noWpq1507x+pL5l+cYgbROt/1zgTgDvKIc55Nm3soq8OjGVIx+MHI1sB3 pSqoPf0F7i4/aP/KhC3Oj0P4ayw60zjWyhuk16GywY531HkY3Fnw0PcXBsSQeG9gZIch +6e8MJdVpFDTK7PaXjSwfFnoT1KcEzrBSMlEVx0Y5Zi5iHrx4bO1ax5mapd/BnIQMQFq GlgveF2x0p8xyWtTQVxQVmjMT5AREHGo28b23YeMNhkWAX/gzVNZlP7BOFIbT6hIBydW 7RaJ2QHkA7imzOHyYfZuH80274SdqnkGwiEmjecDvOVCFXNFLxl401IaEPo57qs7wIMP Py5g== X-Gm-Message-State: AO0yUKXBs2TDflo7veRBRagZ1CZGltMZsZm+xMATcbB2W0hkL3K+sTws HzeB5VidtAy947Y+3E0GnFvwAnPnIInAe2aFDA== X-Google-Smtp-Source: AK7set9289AhqBi2CHUekKtvhhMJxx4fIpomEKKQAIFnPx/vxyPb6kkhhkWxBJNIfuOjQkTt+afnCQ== X-Received: by 2002:a05:600c:5122:b0:3dc:98a4:787d with SMTP id o34-20020a05600c512200b003dc98a4787dmr5926479wms.3.1675171385439; Tue, 31 Jan 2023 05:23:05 -0800 (PST) Received: from platypus.lan ([2001:861:5e4c:3bb0:6424:328a:1734:3249]) by smtp.gmail.com with ESMTPSA id h1-20020adfe981000000b002bfb02153d1sm17078592wrm.45.2023.01.31.05.23.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 31 Jan 2023 05:23:05 -0800 (PST) From: Arthur Cohen To: gcc-patches@gcc.gnu.org Cc: gcc-rust@gcc.gnu.org, Philip Herron Subject: [COMMITTED] gccrs: Add testcase for const-eval issue from rust-blog Date: Tue, 31 Jan 2023 14:26:50 +0100 Message-Id: <20230131132650.663517-1-arthur.cohen@embecosm.com> X-Mailer: git-send-email 2.39.1 MIME-Version: 1.0 X-Spam-Status: No, score=-15.3 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) 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: , Errors-To: gcc-patches-bounces+patchwork=sourceware.org@gcc.gnu.org Sender: "Gcc-patches" From: Philip Herron see: https://blog.rust-lang.org/2022/09/15/const-eval-safety-rule-revision.html gcc/testsuite/ChangeLog: * rust/compile/rust-const-blog-issue.rs: New test. Tested on x86_64-pc-linux-gnu, committed on master. --- gcc/testsuite/rust/compile/rust-const-blog-issue.rs | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100644 gcc/testsuite/rust/compile/rust-const-blog-issue.rs diff --git a/gcc/testsuite/rust/compile/rust-const-blog-issue.rs b/gcc/testsuite/rust/compile/rust-const-blog-issue.rs new file mode 100644 index 00000000000..a5ea2ebacb9 --- /dev/null +++ b/gcc/testsuite/rust/compile/rust-const-blog-issue.rs @@ -0,0 +1,12 @@ +// { dg-excess-errors "accessing value of" } +mod mem { + extern "rust-intrinsic" { + #[rustc_const_stable(feature = "const_transmute", since = "1.46.0")] + fn transmute(_: T) -> U; + } +} + +pub static FOO: () = unsafe { + let illegal_ptr2int: usize = mem::transmute(&()); + let _copy = illegal_ptr2int; +};