diff options
Diffstat (limited to 'tests/ui/closures/2229_closure_analysis/unique-borrows-are-invariant-2.rs')
-rw-r--r-- | tests/ui/closures/2229_closure_analysis/unique-borrows-are-invariant-2.rs | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/ui/closures/2229_closure_analysis/unique-borrows-are-invariant-2.rs b/tests/ui/closures/2229_closure_analysis/unique-borrows-are-invariant-2.rs new file mode 100644 index 000000000..dd9d986c2 --- /dev/null +++ b/tests/ui/closures/2229_closure_analysis/unique-borrows-are-invariant-2.rs @@ -0,0 +1,31 @@ +// edition:2021 + +// regression test for #112056 + +struct Spooky<'b> { + owned: Option<&'static u32>, + borrowed: &'b &'static u32, +} + +impl<'b> Spooky<'b> { + fn create_self_reference<'a>(&'a mut self) { + let mut closure = || { + if let Some(owned) = &self.owned { + let borrow: &'a &'static u32 = owned; + self.borrowed = borrow; + //~^ ERROR: lifetime may not live long enough + } + }; + closure(); + } +} + +fn main() { + let mut spooky: Spooky<'static> = Spooky { + owned: Some(&1), + borrowed: &&1, + }; + spooky.create_self_reference(); + spooky.owned = None; + println!("{}", **spooky.borrowed); +} |