src/test/ui/consts/issue-66342.rs

// check-pass
// only-x86_64

// Checks that the compiler does not actually try to allocate 4 TB during compilation and OOM crash.

fn foo() -> [u8; 4 * 1024 * 1024 * 1024 * 1024] {
    unimplemented!()
}

fn main() {
    foo();
}