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-rw-r--r--src/lib.rs1
1 files changed, 0 insertions, 1 deletions
diff --git a/src/lib.rs b/src/lib.rs
index f6ad0c79de5..38019faa7a9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -444,7 +444,6 @@ impl WriteBackendMethods for GccCodegenBackend {
     }
     fn autodiff(
         _cgcx: &CodegenContext<Self>,
-        _tcx: TyCtxt<'_>,
         _module: &ModuleCodegen<Self::Module>,
         _diff_fncs: Vec<AutoDiffItem>,
         _config: &ModuleConfig,