ProxyCallReplacer: Do not analyze method calls that are not defined in the current typedef hierarchy.

ICSharpCode.Decompiler/IL/Transforms/ProxyCallReplacer.cs

@@ -1,4 +1,5 @@
-using System.Diagnostics;
+using System;
+using System.Diagnostics;
 using System.Linq;
 using ICSharpCode.Decompiler.TypeSystem;
 using Mono.Cecil;
@@ -15,7 +16,7 @@ namespace ICSharpCode.Decompiler.IL.Transforms
 			foreach (var inst in function.Descendants.OfType<CallInstruction>()) {
 				MethodDefinition methodDef = context.TypeSystem.GetCecil(inst.Method) as MethodDefinition;
 				if (methodDef != null && methodDef.Body != null) {
-					if (inst.Method.IsCompilerGeneratedOrIsInCompilerGeneratedClass()) {
+					if (IsDefinedInCurrentOrOuterClass(inst.Method, context.Function.Method.DeclaringTypeDefinition) && inst.Method.IsCompilerGeneratedOrIsInCompilerGeneratedClass()) {
 						// partially copied from CSharpDecompiler
 						var specializingTypeSystem = this.context.TypeSystem.GetSpecializingTypeSystem(inst.Method.Substitution);
 						var ilReader = new ILReader(specializingTypeSystem);
@@ -76,5 +77,15 @@ namespace ICSharpCode.Decompiler.IL.Transforms
 				}
 			}
 		}
+
+		static bool IsDefinedInCurrentOrOuterClass(IMethod method, ITypeDefinition declaringTypeDefinition)
+		{
+			while (declaringTypeDefinition != null) {
+				if (method.DeclaringTypeDefinition == declaringTypeDefinition)
+					return true;
+				declaringTypeDefinition = declaringTypeDefinition.DeclaringTypeDefinition;
+			}
+			return false;
+		}
 	}
 }