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-rw-r--r--compiler/rustc_codegen_ssa/src/back/write.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_codegen_ssa/src/back/write.rs b/compiler/rustc_codegen_ssa/src/back/write.rs
index 4eda4c2f08c..b7bcaac3b18 100644
--- a/compiler/rustc_codegen_ssa/src/back/write.rs
+++ b/compiler/rustc_codegen_ssa/src/back/write.rs
@@ -592,7 +592,7 @@ fn produce_final_output_artifacts(
                 .unwrap()
                 .to_owned();
 
-            if crate_output.outputs.contains_key(&output_type) {
+            if crate_output.outputs.contains_explicit_name(&output_type) {
                 // 2) Multiple codegen units, with `--emit foo=some_name`. We have
                 //    no good solution for this case, so warn the user.
                 sess.dcx().emit_warn(errors::IgnoringEmitPath { extension });