diff --git a/compiler/rustc_typeck/src/bounds.rs b/compiler/rustc_typeck/src/bounds.rs
index 24474e163b9..ff04e07acc4 100644
--- a/compiler/rustc_typeck/src/bounds.rs
+++ b/compiler/rustc_typeck/src/bounds.rs
@@ -64,16 +64,16 @@ impl<'tcx> Bounds<'tcx> {
             })
         });
 
-        sized_predicate
-            .into_iter()
-            .chain(self.region_bounds.iter().map(|&(region_bound, span)| {
+        self.region_bounds
+            .iter()
+            .map(|&(region_bound, span)| {
                 (
                     region_bound
                         .map_bound(|region_bound| ty::OutlivesPredicate(param_ty, region_bound))
                         .to_predicate(tcx),
                     span,
                 )
-            }))
+            })
             .chain(self.trait_bounds.iter().map(|&(bound_trait_ref, span, constness)| {
                 let predicate = bound_trait_ref.with_constness(constness).to_predicate(tcx);
                 (predicate, span)
@@ -83,6 +83,7 @@ impl<'tcx> Bounds<'tcx> {
                     .iter()
                     .map(|&(projection, span)| (projection.to_predicate(tcx), span)),
             )
+            .chain(sized_predicate.into_iter())
             .collect()
     }
 }