From 4fb7a0f53f5a9017f140484dafd6c97c7ad708fe Mon Sep 17 00:00:00 2001
From: EinBurgbauer <einburgbauer@outlook.com>
Date: Tue, 18 May 2021 19:42:28 +0200
Subject: [PATCH] fix explicit thiscall crash

---
 IDEHelper/Compiler/BfResolvedTypeUtils.cpp | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/IDEHelper/Compiler/BfResolvedTypeUtils.cpp b/IDEHelper/Compiler/BfResolvedTypeUtils.cpp
index b8253306..f97a86b7 100644
--- a/IDEHelper/Compiler/BfResolvedTypeUtils.cpp
+++ b/IDEHelper/Compiler/BfResolvedTypeUtils.cpp
@@ -1208,7 +1208,8 @@ void BfMethodInstance::GetIRFunctionInfo(BfModule* module, BfIRType& returnType,
 	{
 		returnType = module->mBfIRBuilder->MapType(mReturnType);
 	}	
-	
+
+	bool hasExplicitThis = false;
 	for (int paramIdx = -1; paramIdx < GetParamCount(); paramIdx++)
 	{
 		BfType* checkType = NULL;
@@ -1223,13 +1224,23 @@ void BfMethodInstance::GetIRFunctionInfo(BfModule* module, BfIRType& returnType,
 			else
 			{
 				if (HasExplicitThis())
+				{
 					checkType = GetParamType(0);
+					hasExplicitThis = true;
+				}
 				else
 					checkType = GetOwner();				
 			}
 		}
 		else
 		{
+			if (hasExplicitThis)
+			{
+				// We already looked at this
+				hasExplicitThis = false;
+				continue;
+			}
+
 			checkType = GetParamType(paramIdx);
 		}