SEHException .net Conundrum

Question

Can anyone explain why the below code throws an error. It can easily be fixed by either casting the -1 value to a decimal (-1M), by changing the operator overload to accept an i

Answer 1

No repro with the given code snippet. The code you used however strongly resembles the kind of code that falls over on an old bug in the C# compiler. The details are in this thread, Eric Lippert is already aware of it.