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/unsafe/ranged_ints3_const.rs | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 src/test/ui/unsafe/ranged_ints3_const.rs (limited to 'src/test/ui/unsafe/ranged_ints3_const.rs') diff --git a/src/test/ui/unsafe/ranged_ints3_const.rs b/src/test/ui/unsafe/ranged_ints3_const.rs new file mode 100644 index 000000000..637198d36 --- /dev/null +++ b/src/test/ui/unsafe/ranged_ints3_const.rs @@ -0,0 +1,24 @@ +// revisions: mirunsafeck thirunsafeck +// [thirunsafeck]compile-flags: -Z thir-unsafeck + +#![feature(rustc_attrs)] + +use std::cell::Cell; + +#[rustc_layout_scalar_valid_range_start(1)] +#[repr(transparent)] +pub(crate) struct NonZero(pub(crate) T); +fn main() {} + +const fn foo() -> NonZero> { + let mut x = unsafe { NonZero(Cell::new(1)) }; + let y = &x.0; //~ ERROR the borrowed element may contain interior mutability + //~^ ERROR borrow of layout constrained field with interior mutability + unsafe { NonZero(Cell::new(1)) } +} + +const fn bar() -> NonZero> { + let mut x = unsafe { NonZero(Cell::new(1)) }; + let y = unsafe { &x.0 }; //~ ERROR the borrowed element may contain interior mutability + unsafe { NonZero(Cell::new(1)) } +} -- cgit v1.2.3