From a4b7ed7a42c716ab9f05e351f003d589124fd55d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:18:58 +0200 Subject: Adding upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- .../dropck/issue-28498-ugeh-with-passed-to-fn.rs | 46 ---------------------- 1 file changed, 46 deletions(-) delete mode 100644 src/test/ui/dropck/issue-28498-ugeh-with-passed-to-fn.rs (limited to 'src/test/ui/dropck/issue-28498-ugeh-with-passed-to-fn.rs') diff --git a/src/test/ui/dropck/issue-28498-ugeh-with-passed-to-fn.rs b/src/test/ui/dropck/issue-28498-ugeh-with-passed-to-fn.rs deleted file mode 100644 index 04d0d3203..000000000 --- a/src/test/ui/dropck/issue-28498-ugeh-with-passed-to-fn.rs +++ /dev/null @@ -1,46 +0,0 @@ -// run-pass - -// Demonstrate the use of the unguarded escape hatch with a type param in negative position -// to assert that destructor will not access any dead data. -// -// Compare with ui/span/issue28498-reject-lifetime-param.rs - -// Demonstrate that a type param in negative position causes dropck to reject code -// that might indirectly access previously dropped value. -// -// Compare with run-pass/issue28498-ugeh-with-passed-to-fn.rs - -#![feature(dropck_eyepatch)] - -#[derive(Debug)] -struct ScribbleOnDrop(String); - -impl Drop for ScribbleOnDrop { - fn drop(&mut self) { - self.0 = format!("DROPPED"); - } -} - -struct Foo(u32, T, #[allow(unused_tuple_struct_fields)] Box fn(&'r T) -> String>); - -unsafe impl<#[may_dangle] T> Drop for Foo { - fn drop(&mut self) { - // Use of `may_dangle` is sound, because destructor never passes a `self.1` - // to the callback (in `self.2`) despite having it available. - println!("Dropping Foo({}, _)", self.0); - } -} - -fn callback(s: & &ScribbleOnDrop) -> String { format!("{:?}", s) } - -fn main() { - let (last_dropped, foo0); - let (foo1, first_dropped); - - last_dropped = ScribbleOnDrop(format!("last")); - first_dropped = ScribbleOnDrop(format!("first")); - foo0 = Foo(0, &last_dropped, Box::new(callback)); - foo1 = Foo(1, &first_dropped, Box::new(callback)); - - println!("foo0.1: {:?} foo1.1: {:?}", foo0.1, foo1.1); -} -- cgit v1.2.3