From 32497364e5d5a344d17da7ec9fb0598411a32d26 Mon Sep 17 00:00:00 2001
From: Katy Coe <djkaty@users.noreply.github.com>
Date: Fri, 7 Aug 2020 19:08:27 +0200
Subject: [PATCH] AppModel: Don't crash on MetadataUsage MethodDef/Ref without
 prior method definition

---
 Il2CppInspector.Common/Model/AppModel.cs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Il2CppInspector.Common/Model/AppModel.cs b/Il2CppInspector.Common/Model/AppModel.cs
index d078f27..8229066 100644
--- a/Il2CppInspector.Common/Model/AppModel.cs
+++ b/Il2CppInspector.Common/Model/AppModel.cs
@@ -210,7 +210,13 @@ namespace Il2CppInspector.Model
                             var method = ILModel.GetMetadataUsageMethod(usage);
                             declarationGenerator.IncludeMethod(method);
                             AddTypes(declarationGenerator.GenerateRemainingTypeDeclarations());
-
+                            
+                            // Any method here SHOULD already be in the Methods list
+                            // but we have seen one example where this is not the case for a MethodDef
+                            if (!Methods.ContainsKey(method)) {
+                                var fnPtr = declarationGenerator.GenerateMethodDeclaration(method);
+                                Methods.Add(method, fnPtr, new AppMethod(method, fnPtr) {Group = Group});
+                            }
                             Methods[method].MethodInfoPtrAddress = address;
                             break;
                     }