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// expect error: b: used after it was given away; b borrows a, and a was freed
// spec 6.6
include rt;
struct node { int value; node* prev; node* next; };
fn main() { node* a = rt.new(node); node* b = rt.new(node); a.next = b; b.prev = a; rt.free(a); rt.put_n(b.prev.value); }
// zc0: skip
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