diff --git a/gcc/rust/backend/rust-compile-expr.cc b/gcc/rust/backend/rust-compile-expr.cc
index bd91c91c9390..1f0b58e60030 100644
--- a/gcc/rust/backend/rust-compile-expr.cc
+++ b/gcc/rust/backend/rust-compile-expr.cc
@@ -1635,17 +1635,13 @@ CompileExpr::visit (HIR::CallExpr &expr)
     return;
 
   bool is_variadic = false;
-  if (tyty->get_kind () == TyTy::TypeKind::FNDEF)
-    {
-      const TyTy::FnType *fn = static_cast<const TyTy::FnType *> (tyty);
-      is_variadic = fn->is_variadic ();
-    }
-
   size_t required_num_args = expr.get_arguments ().size ();
+
   if (tyty->get_kind () == TyTy::TypeKind::FNDEF)
     {
       const TyTy::FnType *fn = static_cast<const TyTy::FnType *> (tyty);
       required_num_args = fn->num_params ();
+      is_variadic = fn->is_variadic ();
     }
   else if (tyty->get_kind () == TyTy::TypeKind::FNPTR)
     {
diff --git a/gcc/rust/backend/rust-compile-extern.h b/gcc/rust/backend/rust-compile-extern.h
index be92529a1acc..1df3875541a3 100644
--- a/gcc/rust/backend/rust-compile-extern.h
+++ b/gcc/rust/backend/rust-compile-extern.h
@@ -115,10 +115,8 @@ class CompileExternItem : public HIRCompileBase,
       }
 
     if (fntype->has_substitutions_defined ())
-      {
-	// override the Hir Lookups for the substituions in this context
-	fntype->override_context ();
-      }
+      // override the HIR lookups for the substitutions in this context
+      fntype->override_context ();
 
     if (fntype->get_abi () == ABI::INTRINSIC)
       {