Respond to PR comments.

ridwanabdillahi · ridwanabdillahi · commit 7ac62ce75cef · 2022-05-25T10:44:56.000-07:00
diff --git 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();
+                }
             }
         }
     }

Original file line number	Diff line number	Diff line change
`@@ -54,7 +54,14 @@ fn check_for_debugger_visualizer<'tcx>(`
`54`	`54`	`debugger_visualizers`
`55`	`55`	`.insert(DebuggerVisualizerFile::new(Arc::from(contents), visualizer_type));`
`56`	`56`	`}`
`57`		`- _ => {}`
	`57`	`+ Err(err) => {`
	`58`	`+ tcx.sess`
	`59`	`+ .struct_span_err(`
	`60`	`+ meta_item.span,`
	`61`	`+ &format!("couldn't read {}: {}", file.display(), err),`
	`62`	`+ )`
	`63`	`+ .emit();`
	`64`	`+ }`
`58`	`65`	`}`
`59`	`66`	`}`
`60`	`67`	`}`