From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 7905) id 035AB3857365; Tue, 31 Jan 2023 13:16:59 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 035AB3857365 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1675171020; bh=IjZPpeDZOjpHMr5SNs4ohN0SYRDa41LXHgq8L7ce7PI=; h=From:To:Subject:Date:From; b=cpFCrCojKPgWz+7/i+GXEWfhMugire45JeN4fI99PdQoH9PzUSz93xOWkhh46+6NE qgPfM1rUJmfHverwUmbreXbLJ//mfnh8BozpDLMfQoxvovz+fQlLc28hUrRubah6sC FqbSJIImssJGxXwZjh7/slza2vUP3ggACgZq/9/c= MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Arthur Cohen To: gcc-cvs@gcc.gnu.org Subject: [gcc r13-5566] gccrs: Add testcase for const-eval issue from rust-blog X-Act-Checkin: gcc X-Git-Author: Philip Herron X-Git-Refname: refs/heads/master X-Git-Oldrev: a0c2ea3ee6e47f4090759ad4cacd43225ceea669 X-Git-Newrev: f92f8ee75bf0f4a653218a52698263b559c463a4 Message-Id: <20230131131700.035AB3857365@sourceware.org> Date: Tue, 31 Jan 2023 13:16:59 +0000 (GMT) List-Id: https://gcc.gnu.org/g:f92f8ee75bf0f4a653218a52698263b559c463a4 commit r13-5566-gf92f8ee75bf0f4a653218a52698263b559c463a4 Author: Philip Herron Date: Sun Sep 18 10:37:06 2022 +0100 gccrs: Add testcase for const-eval issue from rust-blog 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. Diff: --- gcc/testsuite/rust/compile/rust-const-blog-issue.rs | 12 ++++++++++++ 1 file changed, 12 insertions(+) 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; +};