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// compile-flags: -Zunleash-the-miri-inside-of-you
#![allow(const_err)]
use std::cell::UnsafeCell;
// a test demonstrating what things we could allow with a smarter const qualification
static FOO: &&mut u32 = &&mut 42;
//~^ WARN: skipping const checks
static BAR: &mut () = &mut ();
//~^ WARN: skipping const checks
struct Foo<T>(T);
static BOO: &mut Foo<()> = &mut Foo(());
//~^ WARN: skipping const checks
struct Meh {
x: &'static UnsafeCell<i32>,
}
unsafe impl Sync for Meh {}
static MEH: Meh = Meh {
x: &UnsafeCell::new(42),
//~^ WARN: skipping const checks
};
static OH_YES: &mut i32 = &mut 42;
//~^ WARN: skipping const checks
fn main() {
unsafe {
*MEH.x.get() = 99;
}
*OH_YES = 99; //~ ERROR cannot assign to `*OH_YES`, as `OH_YES` is an immutable static item
}
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