jfrijters

using System;
using System.Runtime.Intrinsics;
using System.Runtime.Intrinsics.X86;

namespace CoreConsoleApp1
{
    static class Program
    {
        static void Main()
        {

jfrijters

        public readonly struct NullableDouble
        {
            private readonly long value;

            private NullableDouble(double value)
            {
                var bits = BitConverter.DoubleToInt64Bits(value);
                if (bits == -1)
                {
                    // the double passed in was NaN, but the pattern equals the pattern we use for NULL values,

jfrijters

diff --git a/Src/Compilers/CSharp/Source/Lowering/LocalRewriter/LocalRewriter_Call.cs b/Src/Compilers/CSharp/Source/Lowering/LocalRewriter/LocalRewriter_Call.cs
index d356dec..3ad67f5 100644
--- a/Src/Compilers/CSharp/Source/Lowering/LocalRewriter/LocalRewriter_Call.cs
+++ b/Src/Compilers/CSharp/Source/Lowering/LocalRewriter/LocalRewriter_Call.cs
@@ -130,6 +130,35 @@ namespace Microsoft.CodeAnalysis.CSharp
         {
             Debug.Assert(node != null);
 
+            if (node.ReceiverOpt is BoundTypeOfOperator && node.Method.Name == "GetMethod" && !node.Method.IsExtensionMethod)
+            {