testing.chattyPrinter.lastNameMu (field)

5 uses

	testing (current package)
		testing.go#L576: 	lastNameMu sync.Mutex // guards lastName
		testing.go#L600: 	p.lastNameMu.Lock()
		testing.go#L601: 	defer p.lastNameMu.Unlock()
		testing.go#L614: 	p.lastNameMu.Lock()
		testing.go#L615: 	defer p.lastNameMu.Unlock()