const runtime.lockRankHchanLeaf

5 uses

	runtime (current package)
		lockrank.go#L94: 	lockRankHchanLeaf
		lockrank.go#L165: 	lockRankHchanLeaf: "hchanLeaf",
		lockrank.go#L241: 	lockRankHchanLeaf: {lockRankGscan, lockRankHchanLeaf},
		stack.go#L822: 			lockWithRank(&sg.c.lock, lockRankHchanLeaf)