diff options
Diffstat (limited to 'src/test/ui/impl-trait/unsafety-checking-cycle.rs')
-rw-r--r-- | src/test/ui/impl-trait/unsafety-checking-cycle.rs | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/src/test/ui/impl-trait/unsafety-checking-cycle.rs b/src/test/ui/impl-trait/unsafety-checking-cycle.rs deleted file mode 100644 index 4a5831c5b..000000000 --- a/src/test/ui/impl-trait/unsafety-checking-cycle.rs +++ /dev/null @@ -1,32 +0,0 @@ -// Ensure that we don't get a cycle error from trying to determine whether an -// opaque type implements `Freeze` in safety checking, when it doesn't matter. - -// check-pass - -#![feature(rustc_attrs)] - -struct AnyValue<T>(T); - -// No need to check for `Freeze` here, there's no -// `rustc_layout_scalar_valid_range_start` involved. -fn not_restricted(c: bool) -> impl Sized { - if c { - let x = AnyValue(not_restricted(false)); - &x.0; - } - 2u32 -} - -#[rustc_layout_scalar_valid_range_start(1)] -struct NonZero<T>(T); - -// No need to check for `Freeze` here, we're not borrowing the field. -fn not_field(c: bool) -> impl Sized { - if c { - let x = unsafe { NonZero(not_field(false)) }; - &x; - } - 5u32 -} - -fn main() {} |