Add test for #3053. Fixes #3053.

This commit is contained in:
Niko Matsakis 2013-11-12 14:44:15 -05:00 committed by Alex Crichton
parent 61443dc1f5
commit 7067561189

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@ -0,0 +1,26 @@
// exec-env:RUST_POISON_ON_FREE=1
// Test that we root `x` even though it is found in immutable memory,
// because it is moved.
#[feature(managed_boxes)];
fn free<T>(x: @T) {}
struct Foo {
f: @Bar
}
struct Bar {
g: int
}
fn lend(x: @Foo) -> int {
let y = &x.f.g;
free(x); // specifically here, if x is not rooted, it will be freed
*y
}
pub fn main() {
assert_eq!(lend(@Foo {f: @Bar {g: 22}}), 22);
}