27 lines
431 B
Rust
27 lines
431 B
Rust
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// exec-env:RUST_POISON_ON_FREE=1
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// Test that we root `x` even though it is found in immutable memory,
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// because it is moved.
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#[feature(managed_boxes)];
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fn free<T>(x: @T) {}
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struct Foo {
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f: @Bar
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}
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struct Bar {
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g: int
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}
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fn lend(x: @Foo) -> int {
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let y = &x.f.g;
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free(x); // specifically here, if x is not rooted, it will be freed
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*y
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}
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pub fn main() {
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assert_eq!(lend(@Foo {f: @Bar {g: 22}}), 22);
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}
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