From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- src/test/ui/issues/issue-28498-must-work-ex2.rs | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 src/test/ui/issues/issue-28498-must-work-ex2.rs (limited to 'src/test/ui/issues/issue-28498-must-work-ex2.rs') diff --git a/src/test/ui/issues/issue-28498-must-work-ex2.rs b/src/test/ui/issues/issue-28498-must-work-ex2.rs new file mode 100644 index 000000000..378d736ee --- /dev/null +++ b/src/test/ui/issues/issue-28498-must-work-ex2.rs @@ -0,0 +1,20 @@ +// run-pass +// Example taken from RFC 1238 text + +// https://github.com/rust-lang/rfcs/blob/master/text/1238-nonparametric-dropck.md +// #examples-of-code-that-must-continue-to-work + +use std::cell::Cell; + +struct Concrete<'a>(#[allow(unused_tuple_struct_fields)] u32, Cell>>); + +struct Foo { data: Vec } + +fn main() { + let mut foo = Foo { data: Vec::new() }; + foo.data.push(Concrete(0, Cell::new(None))); + foo.data.push(Concrete(0, Cell::new(None))); + + foo.data[0].1.set(Some(&foo.data[1])); + foo.data[1].1.set(Some(&foo.data[0])); +} -- cgit v1.2.3