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-rw-r--r--compiler/rustc_mir_transform/src/inline.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_mir_transform/src/inline.rs b/compiler/rustc_mir_transform/src/inline.rs
index 98d2df71978..15b31d38394 100644
--- a/compiler/rustc_mir_transform/src/inline.rs
+++ b/compiler/rustc_mir_transform/src/inline.rs
@@ -907,7 +907,7 @@ impl<'tcx> Visitor<'tcx> for CostChecker<'_, 'tcx> {
                 }
                 ty::Adt(adt_def, substs) => {
                     let var = parent_ty.variant_index.unwrap_or(FIRST_VARIANT);
-                    let Some(field) = adt_def.variant(var).fields.get(f.as_usize()) else {
+                    let Some(field) = adt_def.variant(var).fields.get(f) else {
                         self.validation = Err("malformed MIR");
                         return;
                     };