diff --git a/IDEHelper/Backend/BeMCContext.cpp b/IDEHelper/Backend/BeMCContext.cpp
index 4f1700f3..bd50207c 100644
--- a/IDEHelper/Backend/BeMCContext.cpp
+++ b/IDEHelper/Backend/BeMCContext.cpp
@@ -2893,11 +2893,6 @@ BeMCOperand BeMCContext::CreateCall(const BeMCOperand& func, const SizedArrayImp
 	
 	int argCount = (int)args.size() + argOfs;
 	int dynStackSize = 0;
-// 	if (mUseBP)
-// 	{
-// 		dynStackSize = BF_MAX(4, argCount) * 8;
-// 		dynStackSize = BF_ALIGN(dynStackSize, 16);
-// 	}
 
 	if (dynStackSize > 0)	
 		AllocInst(BeMCInstKind_Sub, BeMCOperand::FromReg(X64Reg_RSP), BeMCOperand::FromImmediate(dynStackSize));
@@ -15894,8 +15889,8 @@ void BeMCContext::Generate(BeFunction* function)
 					retCount++;
 				}
 				break;
-			case BeCallInst::TypeId:
-				{					
+			case BeCallInst::TypeId:				
+				{				
 					auto castedInst = (BeCallInst*)inst;		
 					BeMCOperand mcFunc;
 					BeType* returnType = NULL;
@@ -16268,18 +16263,15 @@ void BeMCContext::Generate(BeFunction* function)
 					}
 					else
 					{
-						if (auto func = BeValueDynCast<BeFunction>(castedInst->mFunc))
+						auto funcPtrType = castedInst->mFunc->GetType();						
+						if (funcPtrType->IsPointer())
 						{
-							auto funcPtrType = func->mType;
-							if (funcPtrType->IsPointer())
+							auto elementType = ((BePointerType*)funcPtrType)->mElementType;
+							if (elementType->mTypeCode == BeTypeCode_Function)
 							{
-								auto elementType = ((BePointerType*)funcPtrType)->mElementType;
-								if (elementType->mTypeCode == BeTypeCode_Function)
-								{
-									isVarArg = ((BeFunctionType*)elementType)->mIsVarArg;
-								}								
-							}							
-						}
+								isVarArg = ((BeFunctionType*)elementType)->mIsVarArg;
+							}								
+						}							
 
 						returnType = castedInst->GetType();
 						mcFunc = GetOperand(castedInst->mFunc);						
diff --git a/IDEHelper/Compiler/BfExprEvaluator.cpp b/IDEHelper/Compiler/BfExprEvaluator.cpp
index 9df71f8c..d8ee125c 100644
--- a/IDEHelper/Compiler/BfExprEvaluator.cpp
+++ b/IDEHelper/Compiler/BfExprEvaluator.cpp
@@ -13825,6 +13825,11 @@ void BfExprEvaluator::CheckPropFail(BfMethodDef* propMethodDef, BfMethodInstance
 	}
 }
 
+bool BfExprEvaluator::HasResult()
+{
+	return (mResult) || (mPropDef != NULL);
+}
+
 BfTypedValue BfExprEvaluator::GetResult(bool clearResult, bool resolveGenericType)
 {
 	if ((!mResult) && (mPropDef != NULL))
@@ -14550,7 +14555,7 @@ void BfExprEvaluator::AssignDeferrredTupleAssignData(BfAssignmentExpression* ass
 			}
 			else
 			{
-				if (child.mExprEvaluator->mResult)
+				if (child.mExprEvaluator->HasResult())
  				{
  					child.mExprEvaluator->mBfEvalExprFlags = (BfEvalExprFlags)(child.mExprEvaluator->mBfEvalExprFlags | BfEvalExprFlags_NoAutoComplete);
  					child.mExprEvaluator->PerformAssignment(assignExpr, true, elementValue);
@@ -14588,7 +14593,7 @@ void BfExprEvaluator::DoTupleAssignment(BfAssignmentExpression* assignExpr)
 	rightValue = mModule->LoadValue(rightValue);
 	
 	AssignDeferrredTupleAssignData(assignExpr, deferredTupleAssignData, rightValue);		
-
+	
 	mResult = rightValue;
 }
 
diff --git a/IDEHelper/Compiler/BfExprEvaluator.h b/IDEHelper/Compiler/BfExprEvaluator.h
index ceba7bcd..56e52f2a 100644
--- a/IDEHelper/Compiler/BfExprEvaluator.h
+++ b/IDEHelper/Compiler/BfExprEvaluator.h
@@ -329,7 +329,8 @@ public:
 	BfMethodDef* GetPropertyMethodDef(BfPropertyDef* propDef, BfMethodType methodType, BfCheckedKind checkedKind);
 	BfModuleMethodInstance GetPropertyMethodInstance(BfMethodDef* methodDef);
 	void CheckPropFail(BfMethodDef* propMethodDef, BfMethodInstance* methodInstance);
-	BfTypedValue GetResult(bool clearResult = false, bool resolveGenericType = false);			
+	bool HasResult();
+	BfTypedValue GetResult(bool clearResult = false, bool resolveGenericType = false);				
 	void CheckResultForReading(BfTypedValue& typedValue);
 	void MarkResultUsed();
 	void MarkResultAssigned();
diff --git a/IDEHelper/Compiler/BfModule.cpp b/IDEHelper/Compiler/BfModule.cpp
index 5f28ed57..78dc1880 100644
--- a/IDEHelper/Compiler/BfModule.cpp
+++ b/IDEHelper/Compiler/BfModule.cpp
@@ -8794,11 +8794,6 @@ BfIRValue BfModule::CreateFunctionFrom(BfMethodInstance* methodInstance, bool tr
 	if (mCompiler->IsSkippingExtraResolveChecks())
 		return BfIRValue();
 
-	if (methodInstance->mMethodDef->mName == "Check")
-	{
-		NOP;
-	}
-
 	if (methodInstance->mMethodInstanceGroup->mOwner->IsInterface())
 	{
 		//BF_ASSERT(!methodInstance->mIRFunction);
diff --git a/IDEHelper/Tests/src/VarArgs.bf b/IDEHelper/Tests/src/VarArgs.bf
new file mode 100644
index 00000000..1bcbfefa
--- /dev/null
+++ b/IDEHelper/Tests/src/VarArgs.bf
@@ -0,0 +1,24 @@
+using System;
+
+namespace Tests
+{
+	class VarArgs
+	{
+#if BF_PLATFORM_WINDOWS
+		[CLink, Import("msvcrt.dll")]
+#else
+		[CLink]
+#endif
+		public static extern int32 sprintf(char8* dest, char8* fmt, ...);
+
+		[Test]
+		public static void TestBasics()
+		{
+			char8[256] cStr;
+			sprintf(&cStr, "Test %d %0.1f %0.1f", 123, 1.2f, 2.3f);
+
+			String str = scope .(&cStr);
+			Test.Assert(str == "Test 123 1.2 2.3");
+		}
+	}
+}