| // New test for #53818: modifying static memory at compile-time is not allowed. | |
| // The test should never compile successfully | |
| #![feature(const_mut_refs)] | |
| use std::cell::UnsafeCell; | |
| struct Foo(UnsafeCell<u32>); | |
| unsafe impl Send for Foo {} | |
| unsafe impl Sync for Foo {} | |
| static FOO: Foo = Foo(UnsafeCell::new(42)); | |
| static BAR: () = unsafe { | |
| *FOO.0.get() = 5; | |
| //~^ ERROR could not evaluate static initializer | |
| }; | |
| fn main() { | |
| println!("{}", unsafe { *FOO.0.get() }); | |
| } |