From 3d3cde906bba262df385a02aea3f1e6e5f178f87 Mon Sep 17 00:00:00 2001
From: Brian Fiete <bfiete@gmail.com>
Date: Sun, 17 May 2020 06:58:03 -0700
Subject: [PATCH] Fixed zeroing of paramdecl in lambdas

---
 IDEHelper/Compiler/BfAst.h             | 11 +++++++++++
 IDEHelper/Compiler/BfExprEvaluator.cpp |  1 +
 2 files changed, 12 insertions(+)

diff --git a/IDEHelper/Compiler/BfAst.h b/IDEHelper/Compiler/BfAst.h
index 0989cd58..1276ba63 100644
--- a/IDEHelper/Compiler/BfAst.h
+++ b/IDEHelper/Compiler/BfAst.h
@@ -1399,6 +1399,17 @@ public:
 		val->InitWithTypeId(T::sTypeInfo.mTypeId);
 		return val;
 	}
+
+	template <typename T>
+	static void Zero(T* val)
+	{		
+#ifdef BF_AST_COMPACT
+		memset((uint8*)val + offsetof(T, mAstInfo), 0, sizeof(T) - offsetof(T, mAstInfo));
+#else
+		memset((uint8*)val + offsetof(T, mTriviaStart), 0, sizeof(T) - offsetof(T, mTriviaStart));
+#endif
+		val->InitWithTypeId(T::sTypeInfo.mTypeId);		
+	}
 #endif
 };
 #ifdef BF_AST_DO_IMPL
diff --git a/IDEHelper/Compiler/BfExprEvaluator.cpp b/IDEHelper/Compiler/BfExprEvaluator.cpp
index 6d2226d5..6317b2cb 100644
--- a/IDEHelper/Compiler/BfExprEvaluator.cpp
+++ b/IDEHelper/Compiler/BfExprEvaluator.cpp
@@ -10058,6 +10058,7 @@ BfLambdaInstance* BfExprEvaluator::GetLambdaInstance(BfLambdaBindExpression* lam
 
 			BfParameterDef* paramDef = new BfParameterDef();
 			paramDef->mParamDeclaration = tempParamDecls.Alloc();
+			BfAstNode::Zero(paramDef->mParamDeclaration);			
 
 			BfLocalVariable* localVar = new BfLocalVariable();
 			if (paramIdx < (int)lambdaBindExpr->mParams.size())