NSMutableDictionary赋值野指针闪退

Describe the bug A clear and concise description of what the bug is.

NSMutableDictionary赋值野指针闪退

To Reproduce Steps to reproduce the behavior:

NSMutableDictionary *dict = [NSMutableDictionary dictionary];

__unsafe_unretained UIView *testObj = [[UIView alloc] init];
NSLog(@"testObj 指针指向的地址:%p 指针本身的地址:%p", testObj, &testObj);

dict[@"8888"] = testObj;

Please complete the following information

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Version [e.g. 22]