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-rw-r--r--compiler/rustc_mir/src/const_eval/mod.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_mir/src/const_eval/mod.rs b/compiler/rustc_mir/src/const_eval/mod.rs
index 77531ae2c5f..3f14efc920f 100644
--- a/compiler/rustc_mir/src/const_eval/mod.rs
+++ b/compiler/rustc_mir/src/const_eval/mod.rs
@@ -110,7 +110,7 @@ fn const_to_valtree_inner<'tcx>(
 
             let variant = ecx.read_discriminant(&place.into()).unwrap().1;
 
-            branches(def.variants[variant].fields.len(), Some(variant))
+            branches(def.variants[variant].fields.len(), def.is_enum().then_some(variant))
         }
 
         ty::Never