diff options
Diffstat (limited to 'tests/ui/coroutine/too-live-local-in-immovable-gen.rs')
-rw-r--r-- | tests/ui/coroutine/too-live-local-in-immovable-gen.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tests/ui/coroutine/too-live-local-in-immovable-gen.rs b/tests/ui/coroutine/too-live-local-in-immovable-gen.rs new file mode 100644 index 000000000..7eaa15522 --- /dev/null +++ b/tests/ui/coroutine/too-live-local-in-immovable-gen.rs @@ -0,0 +1,21 @@ +// run-pass +#![allow(unused_unsafe)] + +#![feature(coroutines)] + +fn main() { + unsafe { + static move || { //~ WARN unused coroutine that must be used + // Tests that the coroutine transformation finds out that `a` is not live + // during the yield expression. Type checking will also compute liveness + // and it should also find out that `a` is not live. + // The compiler will panic if the coroutine transformation finds that + // `a` is live and type checking finds it dead. + let a = { + yield (); + 4i32 + }; + let _ = &a; + }; + } +} |