7 - Make more use of `let_chains`

Continuation of #94376.

cc #53667

1 files changed, 3 insertions, 4 deletions

diff --git a/compiler/rustc_mir_transform/src/required_consts.rs b/compiler/rustc_mir_transform/src/required_consts.rs
index 1c48efd8b42..b87220a3aa4 100644
--- a/compiler/rustc_mir_transform/src/required_consts.rs
+++ b/compiler/rustc_mir_transform/src/required_consts.rs
@@ -14,10 +14,9 @@ impl<'a, 'tcx> RequiredConstsVisitor<'a, 'tcx> {
 
 impl<'tcx> Visitor<'tcx> for RequiredConstsVisitor<'_, 'tcx> {
     fn visit_constant(&mut self, constant: &Constant<'tcx>, _: Location) {
-        if let Some(ct) = constant.literal.const_for_ty() {
-            if let ConstKind::Unevaluated(_) = ct.val() {
-                self.required_consts.push(*constant);
-            }
+        let literal = constant.literal;
+        if let Some(ct) = literal.const_for_ty() && let ConstKind::Unevaluated(_) = ct.val() {
+            self.required_consts.push(*constant);
         }
     }
 }