From 91f7d761e762d0d9f47cf61cf5d942fd93eaf2a8 Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Sat, 12 Sep 2020 10:33:49 +0200
Subject: [PATCH] also assert ScalarMaybeUninit size

---
 compiler/rustc_middle/src/mir/interpret/value.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/compiler/rustc_middle/src/mir/interpret/value.rs b/compiler/rustc_middle/src/mir/interpret/value.rs
index 7d6ff3eb5c1cc..7741c76ff3e45 100644
--- a/compiler/rustc_middle/src/mir/interpret/value.rs
+++ b/compiler/rustc_middle/src/mir/interpret/value.rs
@@ -578,6 +578,9 @@ pub enum ScalarMaybeUninit<Tag = ()> {
     Uninit,
 }
 
+#[cfg(target_arch = "x86_64")]
+static_assert_size!(ScalarMaybeUninit, 24);
+
 impl<Tag> From<Scalar<Tag>> for ScalarMaybeUninit<Tag> {
     #[inline(always)]
     fn from(s: Scalar<Tag>) -> Self {