let (closure_def_id, substs) = match self.node_ty(closure_hir_id).sty {
ty::TyClosure(def_id, substs) => (def_id, UpvarSubsts::Closure(substs)),
ty::TyGenerator(def_id, substs, _) => (def_id, UpvarSubsts::Generator(substs)),
+ ty::TyError => {
+ // #51714: skip analysis when we have already encountered type errors
+ return;
+ }
ref t => {
span_bug!(
span,
--- /dev/null
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+fn main() {
+ |_: [_; return || {}] | {}
+ //~^ ERROR return statement outside of function body
+}
+
+fn foo() {
+ [(); return || {}];
+ //~^ ERROR return statement outside of function body
+}
--- /dev/null
+error[E0572]: return statement outside of function body
+ --> $DIR/issue-51714.rs:12:14
+ |
+LL | |_: [_; return || {}] | {}
+ | ^^^^^^^^^^^^
+
+error[E0572]: return statement outside of function body
+ --> $DIR/issue-51714.rs:17:10
+ |
+LL | [(); return || {}];
+ | ^^^^^^^^^^^^
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0572`.