better ICE than sorry

rust-lang · Sep 16, 2023 · 5753e59 · 5753e59
1 parent d34e15e
commit 5753e59
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs b/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs
@@ -411,6 +411,7 @@ impl<'tcx> ConstToPat<'tcx> {
                             let err = TypeNotStructural { span, non_sm_ty: *pointee_ty };
                             tcx.sess.emit_err(err);
                         }
+                        tcx.sess.delay_span_bug(span, "`saw_const_match_error` set but no error?");
                         // We errored, so the pattern we generate is irrelevant.
                         PatKind::Wild
                     }