Adding a regression test for SixLabors/ImageSharp#2117

Author: tannergooding

src/tests/JIT/Regression/JitBlue/ImageSharp_2117/ImageSharp_2117.cs

@@ -0,0 +1,37 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System.Runtime.Intrinsics;
+using System.Runtime.Intrinsics.X86;
+
+public unsafe class ImageSharp_2117
+{
+    public static int Main(string[] args)
+    {
+        if (Sse.IsSupported)
+        {
+            Vector128<float> fnan = Vector128.Create(float.NaN);
+            Vector128<float> res1 = Sse.Max(Sse.LoadVector128((float*)(&fnan)), Vector128<float>.Zero);
+            Vector128<float> res2 = Sse.Min(Sse.LoadVector128((float*)(&fnan)), Vector128<float>.Zero);
+
+            if (float.IsNaN(res1[0]) || float.IsNaN(res2[0]))
+            {
+                return 0;
+            }
+        }
+
+        if (Sse2.IsSupported)
+        {
+            Vector128<double> dnan = Vector128.Create(double.NaN);
+            Vector128<double> res3 = Sse2.Max(Sse2.LoadVector128((double*)(&dnan)), Vector128<double>.Zero);
+            Vector128<double> res4 = Sse2.Min(Sse2.LoadVector128((double*)(&dnan)), Vector128<double>.Zero);
+
+            if (double.IsNaN(res3[0]) || double.IsNaN(res4[0]))
+            {
+                return 0;
+            }
+        }
+
+        return 100;
+    }
+}

src/tests/JIT/Regression/JitBlue/ImageSharp_2117/ImageSharp_2117.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
+  </PropertyGroup>
+  <PropertyGroup>
+    <DebugType>None</DebugType>
+    <Optimize>True</Optimize>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="$(MSBuildProjectName).cs" />
+  </ItemGroup>
+</Project>