Rollup merge of #94777 - lancethepants:armv7-unknown-linux-uclibceabi, r=Mark-Simulacrum

[rust.git] / compiler / rustc_borrowck / src / region_infer / mod.rs

diff --git a/compiler/rustc_borrowck/src/region_infer/mod.rs b/compiler/rustc_borrowck/src/region_infer/mod.rs
index fa9fe905256f5ac6daf84d49b27ebf43583b238d..20f54d04777603f626cccef71c2b6cb6f2f7740a 100644 (file)
--- a/compiler/rustc_borrowck/src/region_infer/mod.rs
+++ b/compiler/rustc_borrowck/src/region_infer/mod.rs
@@ -942,14 +942,14 @@ fn try_promote_type_test(
 
             debug!("try_promote_type_test: ur={:?}", ur);
 
-            let non_local_ub = self.universal_region_relations.non_local_upper_bounds(&ur);
+            let non_local_ub = self.universal_region_relations.non_local_upper_bounds(ur);
             debug!("try_promote_type_test: non_local_ub={:?}", non_local_ub);
 
             // This is slightly too conservative. To show T: '1, given `'2: '1`
             // and `'3: '1` we only need to prove that T: '2 *or* T: '3, but to
             // avoid potential non-determinism we approximate this by requiring
             // T: '1 and T: '2.
-            for &upper_bound in non_local_ub {
+            for upper_bound in non_local_ub {
                 debug_assert!(self.universal_regions.is_universal_region(upper_bound));
                 debug_assert!(!self.universal_regions.is_local_free_region(upper_bound));
 
@@ -1588,12 +1588,12 @@ fn try_propagate_universal_region_error(
                 // always will.)  We'll call them `shorter_fr+` -- they're ever
                 // so slightly larger than `shorter_fr`.
                 let shorter_fr_plus =
-                    self.universal_region_relations.non_local_upper_bounds(&shorter_fr);
+                    self.universal_region_relations.non_local_upper_bounds(shorter_fr);
                 debug!(
                     "try_propagate_universal_region_error: shorter_fr_plus={:?}",
                     shorter_fr_plus
                 );
-                for &&fr in &shorter_fr_plus {
+                for fr in shorter_fr_plus {
                     // Push the constraint `fr-: shorter_fr+`
                     propagated_outlives_requirements.push(ClosureOutlivesRequirement {
                         subject: ClosureOutlivesSubject::Region(fr_minus),