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path: root/compiler/rustc_const_eval/src/interpret/call.rs
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-rw-r--r--compiler/rustc_const_eval/src/interpret/call.rs4
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/rustc_const_eval/src/interpret/call.rs b/compiler/rustc_const_eval/src/interpret/call.rs
index 216800717fd..405208e94f4 100644
--- a/compiler/rustc_const_eval/src/interpret/call.rs
+++ b/compiler/rustc_const_eval/src/interpret/call.rs
@@ -353,8 +353,8 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> {
         if caller_fn_abi.conv != callee_fn_abi.conv {
             throw_ub_custom!(
                 fluent::const_eval_incompatible_calling_conventions,
-                callee_conv = format!("{:?}", callee_fn_abi.conv),
-                caller_conv = format!("{:?}", caller_fn_abi.conv),
+                callee_conv = format!("{}", callee_fn_abi.conv),
+                caller_conv = format!("{}", caller_fn_abi.conv),
             )
         }