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