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| author | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-05 09:13:28 +0100 |
|---|---|---|
| committer | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-11 09:32:08 +0000 |
| commit | cf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch) | |
| tree | 40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/unsafe/ranged_ints2_const.rs | |
| parent | ca855e6e42787ecd062d81d53336fe6788ef51a9 (diff) | |
| download | rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip | |
Move /src/test to /tests
Diffstat (limited to 'tests/ui/unsafe/ranged_ints2_const.rs')
| -rw-r--r-- | tests/ui/unsafe/ranged_ints2_const.rs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/tests/ui/unsafe/ranged_ints2_const.rs b/tests/ui/unsafe/ranged_ints2_const.rs new file mode 100644 index 00000000000..56f5407bb6e --- /dev/null +++ b/tests/ui/unsafe/ranged_ints2_const.rs @@ -0,0 +1,29 @@ +// revisions: mirunsafeck thirunsafeck +// [thirunsafeck]compile-flags: -Z thir-unsafeck + +#![feature(rustc_attrs)] + +#[rustc_layout_scalar_valid_range_start(1)] +#[repr(transparent)] +pub(crate) struct NonZero<T>(pub(crate) T); +fn main() { +} + +const fn foo() -> NonZero<u32> { + let mut x = unsafe { NonZero(1) }; + let y = &mut x.0; //~ ERROR mutable references + //~^ ERROR mutation of layout constrained field is unsafe + unsafe { NonZero(1) } +} + +const fn bar() -> NonZero<u32> { + let mut x = unsafe { NonZero(1) }; + let y = unsafe { &mut x.0 }; //~ ERROR mutable references + unsafe { NonZero(1) } +} + +const fn boo() -> NonZero<u32> { + let mut x = unsafe { NonZero(1) }; + unsafe { let y = &mut x.0; } //~ ERROR mutable references + unsafe { NonZero(1) } +} |
