return when obligation has references_error

TaKO8Ki · TaKO8Ki · commit 82510b90c63c · 2022-10-03T14:17:42.000+09:00
diff --git a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs
@@ -899,6 +899,10 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
             return;
         }
 
+        if obligation.references_error() {
+            return;
+        }
+
         candidates.vec.push(TransmutabilityCandidate);
     }
 

Original file line number	Diff line number	Diff line change
`@@ -899,6 +899,10 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {`
`899`	`899`	`return;`
`900`	`900`	`}`
`901`	`901`
	`902`	`+ if obligation.references_error() {`
	`903`	`+ return;`
	`904`	`+ }`
	`905`	`+`
`902`	`906`	`candidates.vec.push(TransmutabilityCandidate);`
`903`	`907`	`}`
`904`	`908`