7 lines
275 B
Rust
7 lines
275 B
Rust
fn main() {
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let x = &1; // the `&1` is promoted to a constant, but it used to be that only the pointer is frozen, not the pointee
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let y = unsafe { &mut *(x as *const i32 as *mut i32) };
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*y = 42; //~ ERROR tried to modify constant memory
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assert_eq!(*x, 42);
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}
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