From 7ac62ce75cef963017245287f0a7b140e09589d7 Mon Sep 17 00:00:00 2001
From: ridwanabdillahi <91507758+ridwanabdillahi@users.noreply.github.com>
Date: Wed, 25 May 2022 10:44:56 -0700
Subject: [PATCH] Respond to PR comments.

---
 compiler/rustc_passes/src/debugger_visualizer.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/compiler/rustc_passes/src/debugger_visualizer.rs b/compiler/rustc_passes/src/debugger_visualizer.rs
index 9b9ee93f63d99..e08683fe23b20 100644
--- a/compiler/rustc_passes/src/debugger_visualizer.rs
+++ b/compiler/rustc_passes/src/debugger_visualizer.rs
@@ -54,7 +54,14 @@ fn check_for_debugger_visualizer<'tcx>(
                     debugger_visualizers
                         .insert(DebuggerVisualizerFile::new(Arc::from(contents), visualizer_type));
                 }
-                _ => {}
+                Err(err) => {
+                    tcx.sess
+                        .struct_span_err(
+                            meta_item.span,
+                            &format!("couldn't read {}: {}", file.display(), err),
+                        )
+                        .emit();
+                }
             }
         }
     }