diff --git a/src/base.rs b/src/base.rs
index 2603da191828..85cdc6824a62 100644
--- a/src/base.rs
+++ b/src/base.rs
@@ -119,9 +119,9 @@ fn codegen_fn<'tcx>(
 
     crate::pretty_clif::write_clif_file(
         tcx,
+        symbol_name.name,
         "unopt",
         module.isa(),
-        instance,
         &func,
         &clif_comments,
     );
@@ -201,9 +201,9 @@ fn compile_fn<'tcx>(
     // Write optimized function to file for debugging
     crate::pretty_clif::write_clif_file(
         tcx,
+        codegened_func.symbol_name.name,
         "opt",
         module.isa(),
-        codegened_func.instance,
         &context.func,
         &clif_comments,
     );
@@ -211,7 +211,7 @@ fn compile_fn<'tcx>(
     if let Some(disasm) = &context.mach_compile_result.as_ref().unwrap().disasm {
         crate::pretty_clif::write_ir_file(
             tcx,
-            || format!("{}.vcode", tcx.symbol_name(codegened_func.instance).name),
+            || format!("{}.vcode", codegened_func.symbol_name.name),
             |file| file.write_all(disasm.as_bytes()),
         )
     }
diff --git a/src/pretty_clif.rs b/src/pretty_clif.rs
index 1d1ec21680e3..0081ec842eb6 100644
--- a/src/pretty_clif.rs
+++ b/src/pretty_clif.rs
@@ -231,16 +231,16 @@ pub(crate) fn write_ir_file(
 
 pub(crate) fn write_clif_file<'tcx>(
     tcx: TyCtxt<'tcx>,
+    symbol_name: &str,
     postfix: &str,
     isa: &dyn cranelift_codegen::isa::TargetIsa,
-    instance: Instance<'tcx>,
     func: &cranelift_codegen::ir::Function,
     mut clif_comments: &CommentWriter,
 ) {
     // FIXME work around filename too long errors
     write_ir_file(
         tcx,
-        || format!("{}.{}.clif", tcx.symbol_name(instance).name, postfix),
+        || format!("{}.{}.clif", symbol_name, postfix),
         |file| {
             let mut clif = String::new();
             cranelift_codegen::write::decorate_function(&mut clif_comments, &mut clif, func)