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-rw-r--r--compiler/rustc_errors/src/diagnostic_impls.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_errors/src/diagnostic_impls.rs b/compiler/rustc_errors/src/diagnostic_impls.rs
index 4f32e236b2d..83a3211c63b 100644
--- a/compiler/rustc_errors/src/diagnostic_impls.rs
+++ b/compiler/rustc_errors/src/diagnostic_impls.rs
@@ -59,6 +59,7 @@ into_diagnostic_arg_using_display!(
     i128,
     u128,
     std::io::Error,
+    std::boxed::Box<dyn std::error::Error>,
     std::num::NonZeroU32,
     hir::Target,
     Edition,