我最近升级到Xcode 6 Beta 6，现在在一个之前在Beta 5上正常运行的应用程序中遇到这些错误。我一直在检查每个方法，并注释掉导致问题的那一行代码，但应该有另一种解决方案。以下是日志：
Undefined symbols for architecture armv7:
"__TFSs26_forceBridgeFromObjectiveCU__FTPSs9AnyObject_MQ__Q_", referenced from:
__TFC9BookSmart32AdvanceDetailTableViewController11viewDidLoadfS0_FT_T_ in AdvanceDetailTableViewController.o
__TFC9BookSmart32AdvanceDetailTableViewController27numberOfSectionsInTableViewfS0_FGSqCSo11UITableView_Si in AdvanceDetailTableViewController.o
__TFC9BookSmart33AdvancesNewLocationViewController12returnedDatafS0_FCSo12NSDictionaryT_ in AdvancesNewLocationViewController.o
__TFC9BookSmart31ArtistDetailTableViewController19scrollViewDidScrollfS0_FGSQCSo12UIScrollView_T_ in ArtistDetailTableViewController.o
__TFC9BookSmart31ArtistDetailTableViewController14viewWillAppearfS0_FSbT_ in ArtistDetailTableViewController.o
__TFC9BookSmart31ArtistDetailTableViewController11viewDidLoadfS0_FT_T_ in ArtistDetailTableViewController.o
__TFC9BookSmart18ChatViewController11viewDidLoadfS0_FT_T_ in ChatViewController.o
...
"__TFSs15_arrayForceCastU___FGSaQ__GSaQ0__", referenced from:
__TFFC9BookSmart33AdvanceSectionTableViewController9tableViewFS0_FTCSo11UITableView21cellForRowAtIndexPathCSo11NSIndexPath_GSqCSo15UITableViewCell_U_FTGSQCSo21MKLocalSearchResponse_GSQCSo7NSError__T_ in AdvanceSectionTableViewController.o
__TFFFC9BookSmart33AdvanceSectionTableViewController9tableViewFS0_FTCSo11UITableView21cellForRowAtIndexPathCSo11NSIndexPath_GSqCSo15UITableViewCell_U_FTGSQCSo21MKLocalSearchResponse_GSQCSo7NSError__T_U_FTGSQCSo13MKMapSnapshot_GSQS5___T_ in AdvanceSectionTableViewController.o
__TFC9BookSmart32AdvanceDetailTableViewController11viewDidLoadfS0_FT_T_ in AdvanceDetailTableViewController.o
__TFC9BookSmart32AdvanceDetailTableViewController9tableViewfS0_FTGSQCSo11UITableView_18commitEditingStyleOSC27UITableViewCellEditingStyle17forRowAtIndexPathGSQCSo11NSIndexPath__T_ in AdvanceDetailTableViewController.o
__TFC9BookSmart32AdvanceDetailTableViewController17createAdvanceInfofS0_FTGVSs10DictionarySSSS_6forKeySS5andIdSS_T_ in AdvanceDetailTableViewController.o
__TFC9BookSmart33AdvancesNewLocationViewController21textFieldShouldReturnfS0_FCSo11UITextFieldSb in AdvancesNewLocationViewController.o
__TFFC9BookSmart33AdvancesNewLocationViewController21textFieldShouldReturnFS0_FCSo11UITextFieldSbU_FTGSQCSo21MKLocalSearchResponse_GSQCSo7NSError__T_ in AdvancesNewLocationViewController.o
...
ld: symbol(s) not found for architecture armv7
clang: error: linker command failed with exit code 1 (use -v to see invocation)