typeof(Foo).GetMethod("Foo") optimization

gistfile1.txt

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)
+            {
+                TypeSymbol type = (TypeSymbol)((BoundTypeOfOperator)node.ReceiverOpt).SourceType.ExpressionSymbol;
+                if (type.IsFromCompilation(compilation))
+                {
+                    switch (node.Method.ParameterCount)
+                    {
+                        // Type.GetMethod(string)
+                        case 1:
+                            BoundExpression arg = node.Arguments[0];
+                            if (arg.Type.IsStringType() && arg.ConstantValue != null)
+                            {
+                                string methodName = arg.ConstantValue.StringValue;
+                                ImmutableArray<MethodSymbol> methods = type.GetMembers()
+                                    .OfType<MethodSymbol>()
+                                    .Where(m => m.DeclaredAccessibility == Accessibility.Public
+                                        && m.MethodKind == MethodKind.Ordinary
+                                        && m.MetadataName == methodName)
+                                    .ToImmutableArray();
+                                if (methods.Length == 1)
+                                {
+                                    return factory.MethodInfo(methods[0]);
+                                }
+                            }
+                            break;
+                    }
+                }
+            }
+
             // Rewrite the receiver
             BoundExpression rewrittenReceiver = VisitExpression(node.ReceiverOpt);