Change Scalar to numeric cast

rust-lang · Oct 15, 2018 · f5cc6b5 · f5cc6b5
1 parent 5beeb53
commit f5cc6b5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/librustc/traits/error_reporting.rs b/src/librustc/traits/error_reporting.rs
@@ -425,7 +425,7 @@ impl<'a, 'gcx, 'tcx> InferCtxt<'a, 'gcx, 'tcx> {
                     Some(format!("[{}]", self.tcx.type_of(def.did).to_string())),
                 ));
                 if let Some(len) = len.val.try_to_scalar().and_then(|scalar| {
-                    scalar.to_u64().ok()
+                    scalar.to_i64().ok()
                 }) {
                     flags.push((
                         "_Self".to_owned(),