1 files changed, 1 insertions, 3 deletions
diff --git a/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs b/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs
index 05175371591..53953b089c6 100644
--- a/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs
+++ b/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs
@@ -367,9 +367,7 @@ fn push_debuginfo_type_name<'tcx>(
                 output.push_str(sig.safety.prefix_str());
 
                 if sig.abi != rustc_abi::ExternAbi::Rust {
-                    output.push_str("extern \"");
-                    output.push_str(sig.abi.name());
-                    output.push_str("\" ");
+                    let _ = write!(output, "extern {} ", sig.abi);
                 }
 
                 output.push_str("fn(");