Xcode breakpoint not came line by line instead of came as thread level

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Problem:

 in xcode if put breakpoints as line by line breakpoint works but it will not showing the line which the breakpoint given.It shows as thread1,Thread2,...etc


Solution: 

In Xcode menu -> Debug -> Debug Workflow -> Always show dissembly wants to be unselected.If it was selected then it came as thread level.If it is unselected it came as line level.

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