diff options
| -rw-r--r-- | src/libstd/future.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/libstd/future.rs b/src/libstd/future.rs index 1cadbdc66c3..d5e6cab948b 100644 --- a/src/libstd/future.rs +++ b/src/libstd/future.rs @@ -95,10 +95,10 @@ where }); let _reset_waker = SetOnDrop(waker_ptr); - let mut waker_ptr = waker_ptr.expect( + let waker_ptr = waker_ptr.expect( "TLS LocalWaker not set. This is a rustc bug. \ Please file an issue on https://github.com/rust-lang/rust."); - unsafe { f(waker_ptr.as_mut()) } + unsafe { f(waker_ptr.as_ref()) } } #[unstable(feature = "gen_future", issue = "50547")] |