From 9f16f1f6f637d729c92789cae26a1adb7eee40cd Mon Sep 17 00:00:00 2001
From: Nicholas Nethercote <n.nethercote@gmail.com>
Date: Sun, 7 Jul 2024 16:25:22 +1000
Subject: [PATCH] Add an size assertion.

`Option<LazyAttrTokenStream>` is the type that's actually used in all
the aST nodes.
---
 compiler/rustc_ast/src/tokenstream.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/compiler/rustc_ast/src/tokenstream.rs b/compiler/rustc_ast/src/tokenstream.rs
index f3b6dc2cfa1..ee068f19332 100644
--- a/compiler/rustc_ast/src/tokenstream.rs
+++ b/compiler/rustc_ast/src/tokenstream.rs
@@ -765,6 +765,7 @@ mod size_asserts {
     static_assert_size!(AttrTokenStream, 8);
     static_assert_size!(AttrTokenTree, 32);
     static_assert_size!(LazyAttrTokenStream, 8);
+    static_assert_size!(Option<LazyAttrTokenStream>, 8); // must be small, used in many AST nodes
     static_assert_size!(TokenStream, 8);
     static_assert_size!(TokenTree, 32);
     // tidy-alphabetical-end