diff options
Diffstat (limited to 'tests/ui/nll/generator-distinct-lifetime.rs')
-rw-r--r-- | tests/ui/nll/generator-distinct-lifetime.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/ui/nll/generator-distinct-lifetime.rs b/tests/ui/nll/generator-distinct-lifetime.rs new file mode 100644 index 000000000..90fe6b569 --- /dev/null +++ b/tests/ui/nll/generator-distinct-lifetime.rs @@ -0,0 +1,25 @@ +#![feature(generators)] + +// Test for issue #47189. Here, both `s` and `t` are live for the +// generator's lifetime, but within the generator they have distinct +// lifetimes. We accept this code -- even though the borrow extends +// over a yield -- because the data that is borrowed (`*x`) is not +// stored on the stack. + +// check-pass + +fn foo(x: &mut u32) { + move || { + let s = &mut *x; + yield; + *s += 1; + + let t = &mut *x; + yield; + *t += 1; + }; +} + +fn main() { + foo(&mut 0); +} |