Passing Marshalled to string Zero IntPtr to Name for LLVM.BuildCall throws AccessViolation about llvmsharp HOT 3 CLOSED

private void GenerateFunctionCall(FunctionCallExpression funcCallExpr)
{
    var func = LLVM.GetNamedFunction(_module, funcCallExpr.FunctionName);

    var argumentCount = (uint)funcCallExpr.Parameters.Count;
    var argsV = new LLVMValueRef[Math.Max(argumentCount, 1)];
    for (int i = 0; i < argumentCount; ++i)
    {
        Visit(funcCallExpr.Parameters[i]);
        argsV[i] = _values.Pop();
    }

    var returnType = LLVM.GetReturnType(LLVM.GetElementType(LLVM.TypeOf(func)));

    LLVM.BuildCall(_builder, func, out argsV[0], argumentCount, (returnType.Equals(LLVM.VoidType()) ? Marshal.PtrToStringAuto(IntPtr.Zero) : "fcall"));
}

LLVM.BuildCall(_builder, func, out argsV[0], argumentCount, (returnType.Equals(LLVM.VoidType()) ? Marshal.PtrToStringAuto(IntPtr.Zero) : "fcall"));

LLVM.BuildCall(_builder, func, out argsV[0], argumentCount, "");