From 5915850071da4dc48ce9b9a4469c522d75cd6f6c Mon Sep 17 00:00:00 2001
From: Michael Goulet <michael@errs.io>
Date: Thu, 11 Apr 2024 12:41:03 -0400
Subject: [PATCH] No need to pass parent of block for BlockTailExpression

---
 compiler/rustc_hir_typeck/src/coercion.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/compiler/rustc_hir_typeck/src/coercion.rs b/compiler/rustc_hir_typeck/src/coercion.rs
index 8a6a33304e6..4896781683c 100644
--- a/compiler/rustc_hir_typeck/src/coercion.rs
+++ b/compiler/rustc_hir_typeck/src/coercion.rs
@@ -1591,14 +1591,13 @@ impl<'tcx, 'exprs, E: AsCoercionSite> CoerceMany<'tcx, 'exprs, E> {
                         err.span_label(cause.span, "return type is not `()`");
                     }
                     ObligationCauseCode::BlockTailExpression(blk_id, ..) => {
-                        let parent_id = fcx.tcx.parent_hir_id(blk_id);
                         err = self.report_return_mismatched_types(
                             cause,
                             expected,
                             found,
                             coercion_error,
                             fcx,
-                            parent_id,
+                            blk_id,
                             expression,
                             Some(blk_id),
                         );