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一个crash问题 #37

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SatanWoo opened this issue Oct 8, 2016 · 2 comments
Closed

一个crash问题 #37

SatanWoo opened this issue Oct 8, 2016 · 2 comments

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@SatanWoo
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SatanWoo commented Oct 8, 2016

Zepo@66b071f

您好，不知道在哪里请教问题比较合适。所以还借此请教下，这个commit的修改里，为什么采用对象比较就会crash。而采用对象的地址比较就没问题呢？
@Zepo
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Zepo commented Oct 12, 2016

objc_setAssociatedObject 的时候用的是 OBJC_ASSOCIATION_ASSIGN，是非持有的，对象可能会被释放。如果对象被释放了，那么 objc_getAssociatedObject 拿出来的时候会默认给对象发 retain 消息（ARC），导致 crash

@SatanWoo
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明白！谢谢！

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@SatanWoo @Zepo