diff --git a/IDE/mintest/minlib/src/System/Object.bf b/IDE/mintest/minlib/src/System/Object.bf
index 9a6c4bf8..0819e0fc 100644
--- a/IDE/mintest/minlib/src/System/Object.bf
+++ b/IDE/mintest/minlib/src/System/Object.bf
@@ -493,6 +493,11 @@ namespace System
 			mTarget = target;
 			mFuncPtr = ptr;
 		}
+
+		protected override void GCMarkMembers()
+		{
+			GC.Mark(Internal.UnsafeCastToObject(mTarget));
+		}
     }
 
     struct DeferredCall
diff --git a/IDEHelper/Compiler/BfExprEvaluator.cpp b/IDEHelper/Compiler/BfExprEvaluator.cpp
index 89e15aed..e625618e 100644
--- a/IDEHelper/Compiler/BfExprEvaluator.cpp
+++ b/IDEHelper/Compiler/BfExprEvaluator.cpp
@@ -16241,6 +16241,8 @@ bool BfExprEvaluator::CheckConstCompare(BfBinaryOp binaryOp, BfAstNode* opToken,
 
 	BF_ASSERT(rightValue.mValue.IsConst());
 	auto rightConst = mModule->mBfIRBuilder->GetConstant(rightValue.mValue);
+	if (!mModule->mBfIRBuilder->IsInt(rightConst->mTypeCode))
+		return false;
 
 	BfType* checkType = leftValue.mType;
 	if (checkType->IsTypedPrimitive())