From 59eb4df2f77f8181c17678c949067b62826988d6 Mon Sep 17 00:00:00 2001
From: xtqqczze <45661989+xtqqczze@users.noreply.github.com>
Date: Mon, 30 Jan 2023 01:22:17 +0000
Subject: [PATCH] Eliminate a bounds check in `NumberBuffer` (#81039)

* Eliminate a bounds check in `NumberBuffer`

* Add AggressiveInlining
---
 .../System.Private.CoreLib/src/System/Number.NumberBuffer.cs          | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/libraries/System.Private.CoreLib/src/System/Number.NumberBuffer.cs b/src/libraries/System.Private.CoreLib/src/System/Number.NumberBuffer.cs
index df5908f..22a2076 100644
--- a/src/libraries/System.Private.CoreLib/src/System/Number.NumberBuffer.cs
+++ b/src/libraries/System.Private.CoreLib/src/System/Number.NumberBuffer.cs
@@ -4,6 +4,7 @@
 using System.Diagnostics;
 using System.Text;
 using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
 
 namespace System
 {
@@ -82,10 +83,11 @@ namespace System
             }
 #pragma warning restore CA1822
 
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             public byte* GetDigitsPointer()
             {
                 // This is safe to do since we are a ref struct
-                return (byte*)(Unsafe.AsPointer(ref Digits[0]));
+                return (byte*)Unsafe.AsPointer(ref MemoryMarshal.GetReference(Digits));
             }
 
             //
-- 
2.7.4