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Implicit declaration of function ‘instrumentObjcMessageSends‘ is invalid in C99
FIX: add?
extern void instrumentObjcMessageSends(BOOL);
也可以lldb>?call (void)instrumentObjcMessageSends(YES)
_objc_msgForward在进行消息转发的过程中会涉及以下这几个方法:resolveInstanceMethod:方法 (或 resolveClassMethod:)。forwardingTargetForSelector:方法methodSignatureForSelector:方法forwardInvocation:方法doesNotRecognizeSelector: 方法
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原文地址:http://www.cnblogs.com/anjuncc/p/5351489.html