From 23691c5772a044baa3e9708747364ccba0c35dd9 Mon Sep 17 00:00:00 2001
From: Laurence Tratt <laurie@tratt.net>
Date: Wed, 22 Jan 2025 08:47:25 +0000
Subject: [PATCH] Use stdlib function rather than rolling our own.

---
 ykrt/src/compile/jitc_yk/aot_ir.rs | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/ykrt/src/compile/jitc_yk/aot_ir.rs b/ykrt/src/compile/jitc_yk/aot_ir.rs
index b5858191c..60a12535b 100644
--- a/ykrt/src/compile/jitc_yk/aot_ir.rs
+++ b/ykrt/src/compile/jitc_yk/aot_ir.rs
@@ -1613,13 +1613,7 @@ impl IntegerTy {
     /// Padding for alignment is not included.
     #[cfg(test)]
     pub(crate) fn byte_size(&self) -> usize {
-        let bits = self.bitw();
-        let mut ret = bits / 8;
-        // If it wasn't an exactly byte-sized thing, round up to the next byte.
-        if bits % 8 != 0 {
-            ret += 1;
-        }
-        usize::try_from(ret).unwrap()
+        usize::try_from(self.bitw().div_ceil(8)).unwrap()
     }
 
     /// Format a constant integer value that is of the type described by `self`.