Rollup merge of #68515 - Wind-River:master_2020, r=alexcrichton

[rust.git] / src / librustc_errors / diagnostic_builder.rs

diff --git a/src/librustc_errors/diagnostic_builder.rs b/src/librustc_errors/diagnostic_builder.rs
index 73f66d550374050c4be7cc0eef6a3eceacfa1549..3c217c1d64373556cdd9605e89605d22d836cede 100644 (file)
--- a/src/librustc_errors/diagnostic_builder.rs
+++ b/src/librustc_errors/diagnostic_builder.rs
@@ -399,8 +399,5 @@ macro_rules! struct_span_err {
 
 #[macro_export]
 macro_rules! error_code {
-    ($code:ident) => {{
-        let _ = $code;
-        $crate::DiagnosticId::Error(stringify!($code).to_owned())
-    }};
+    ($code:ident) => {{ $crate::DiagnosticId::Error(stringify!($code).to_owned()) }};
 }