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Diffstat (limited to 'tests/ui/out-pointer-aliasing.rs')
-rw-r--r-- | tests/ui/out-pointer-aliasing.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tests/ui/out-pointer-aliasing.rs b/tests/ui/out-pointer-aliasing.rs new file mode 100644 index 000000000..b28a09101 --- /dev/null +++ b/tests/ui/out-pointer-aliasing.rs @@ -0,0 +1,23 @@ +// run-pass + +#[derive(Copy, Clone)] +pub struct Foo { + f1: isize, + _f2: isize, +} + +#[inline(never)] +pub fn foo(f: &mut Foo) -> Foo { + let ret = *f; + f.f1 = 0; + ret +} + +pub fn main() { + let mut f = Foo { + f1: 8, + _f2: 9, + }; + f = foo(&mut f); + assert_eq!(f.f1, 8); +} |