file:///Users/user/Documents/playground/MyPlayground.playground/: error: Playground execution aborted: Execution was interrupted,reason: EXC_BAD_INSTRUCTION (code=EXC_I386_INVOP,subcode=0x0).

func fibonacci(which: Int) -> (fibOf: Int,isEqualTo: Int) {
    var i = 1,j = 1
 
    for var k = 2; k < which; k += 1 {
        let tmp = i + j // this line is highlighted when error occurs
        j = i
        i = tmp
    }
 
    return (which,i)
}
 
print (fibonacci(92))
print (fibonacci(93)) // this triggers an error

第一个调用,即92作为参数,将运行良好.但是,当提供93值时,我得到了无关的EXC_BAD_INSTRUCTION错误.这是一个错误还是什么？通常我会期望它溢出.