const runtime.gcTriggerHeap

3 uses

	runtime (current package)
		malloc.go#L1204: 		if t := (gcTrigger{kind: gcTriggerHeap}); t.test() {
		mgc.go#L529: 	gcTriggerHeap gcTriggerKind = iota
		mgc.go#L550: 	case gcTriggerHeap: