diff --git a/compiler/rustc_trait_selection/src/traits/fulfill.rs b/compiler/rustc_trait_selection/src/traits/fulfill.rs
index 556ef466cd1..d840677f1ca 100644
--- a/compiler/rustc_trait_selection/src/traits/fulfill.rs
+++ b/compiler/rustc_trait_selection/src/traits/fulfill.rs
@@ -597,6 +597,7 @@ fn process_obligation(
         }
     }
 
+    #[inline(never)]
     fn process_backedge<'c, I>(
         &mut self,
         cycle: I,