Auto merge of #120991 - matthiaskrgr:rollup-f8kw2st, r=matthiaskrgr

Rollup of 8 pull requests

Successful merges:

 - #118983 (Warn on references casting to bigger memory layout)
 - #119451 (Gate PR CI on clippy correctness lints)
 - #120273 (compiletest: few naive improvements)
 - #120950 (Fix async closures in CTFE)
 - #120958 (Dejargonize `subst`)
 - #120965 (Add lahfsahf and prfchw target feature)
 - #120970 (add another test for promoteds-in-static)
 - #120979 (Update books)

r? `@ghost`
`@rustbot` modify labels: rollup

1 files changed, 4 insertions, 4 deletions

diff --git a/compiler/rustc_hir_analysis/src/variance/mod.rs b/compiler/rustc_hir_analysis/src/variance/mod.rs
index 7d145ea1f23..4d5dcbadc4a 100644
--- a/compiler/rustc_hir_analysis/src/variance/mod.rs
+++ b/compiler/rustc_hir_analysis/src/variance/mod.rs
@@ -172,16 +172,16 @@ fn variance_of_opaque(tcx: TyCtxt<'_>, item_def_id: LocalDefId) -> &[ty::Varianc
                 trait_ref: ty::TraitRef { def_id: _, args, .. },
                 polarity: _,
             }) => {
-                for subst in &args[1..] {
-                    subst.visit_with(&mut collector);
+                for arg in &args[1..] {
+                    arg.visit_with(&mut collector);
                 }
             }
             ty::ClauseKind::Projection(ty::ProjectionPredicate {
                 projection_ty: ty::AliasTy { args, .. },
                 term,
             }) => {
-                for subst in &args[1..] {
-                    subst.visit_with(&mut collector);
+                for arg in &args[1..] {
+                    arg.visit_with(&mut collector);
                 }
                 term.visit_with(&mut collector);
             }