From d3a89cd214a41e8c339db0baf6fc7acb463e64ec Mon Sep 17 00:00:00 2001
From: Oli Scherer <git-spam-no-reply9815368754983@oli-obk.de>
Date: Tue, 13 Feb 2024 10:44:50 +0000
Subject: Avoid an ICE in diagnostics

---
 compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'compiler/rustc_borrowck/src')

diff --git a/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs b/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs
index b3d684086c2..65643e93d27 100644
--- a/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs
+++ b/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs
@@ -698,7 +698,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> {
                                     ),
                                 ..
                             }) => {
-                                let hir::Ty { span, .. } = inputs[local.index() - 1];
+                                let hir::Ty { span, .. } = *inputs.get(local.index() - 1)?;
                                 Some(span)
                             }
                             _ => None,
-- 
cgit 1.4.1-3-g733a5