From cacc0829ffa012e1e6a84ad35160533431a2d269 Mon Sep 17 00:00:00 2001
From: Gurinder Singh <frederick.the.fool@gmail.com>
Date: Wed, 8 May 2024 18:22:14 +0530
Subject: [PATCH] Handle normalization failure in
 `struct_tail_erasing_lifetimes`

Fixes an ICE that occurred when the struct in question has an error
---
 compiler/rustc_middle/src/ty/layout.rs | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs
index f17413af77700..8873025e440aa 100644
--- a/compiler/rustc_middle/src/ty/layout.rs
+++ b/compiler/rustc_middle/src/ty/layout.rs
@@ -338,13 +338,14 @@ impl<'tcx> SizeSkeleton<'tcx> {
                     pointee,
                     |ty| match tcx.try_normalize_erasing_regions(param_env, ty) {
                         Ok(ty) => ty,
-                        Err(_e) => {
-                            if let Some(guar) = tcx.dcx().has_errors() {
-                                Ty::new_error(tcx, guar)
-                            } else {
-                                bug!("normalization failed, but no errors reported");
-                            }
-                        }
+                        Err(e) => Ty::new_error_with_message(
+                            tcx,
+                            DUMMY_SP,
+                            format!(
+                                "normalization failed for {} but no errors reported",
+                                e.get_type_for_failure()
+                            ),
+                        ),
                     },
                     || {},
                 );