go/types.Named.mu (field)

5 uses

	go/types (current package)
		named.go#L121: 	mu         sync.Mutex     // guards all fields below
		named.go#L179: 	n.mu.Lock()
		named.go#L180: 	defer n.mu.Unlock()
		named.go#L368: 	t.mu.Lock()
		named.go#L369: 	defer t.mu.Unlock()