diff options
Diffstat (limited to 'compiler/rustc_interface/src/callbacks.rs')
| -rw-r--r-- | compiler/rustc_interface/src/callbacks.rs | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/compiler/rustc_interface/src/callbacks.rs b/compiler/rustc_interface/src/callbacks.rs index 45b1aeb4a..ef00ced67 100644 --- a/compiler/rustc_interface/src/callbacks.rs +++ b/compiler/rustc_interface/src/callbacks.rs @@ -26,16 +26,14 @@ fn track_span_parent(def_id: rustc_span::def_id::LocalDefId) { }) } -/// This is a callback from `rustc_ast` as it cannot access the implicit state +/// This is a callback from `rustc_errors` as it cannot access the implicit state /// in `rustc_middle` otherwise. It is used when diagnostic messages are /// emitted and stores them in the current query, if there is one. fn track_diagnostic(diagnostic: &mut Diagnostic, f: &mut dyn FnMut(&mut Diagnostic)) { tls::with_context_opt(|icx| { if let Some(icx) = icx { if let Some(diagnostics) = icx.diagnostics { - let mut diagnostics = diagnostics.lock(); - diagnostics.extend(Some(diagnostic.clone())); - std::mem::drop(diagnostics); + diagnostics.lock().extend(Some(diagnostic.clone())); } // Diagnostics are tracked, we can ignore the dependency. |