const runtime.waitReasonDumpingHeap

3 uses

	runtime (current package)
		heapdump.go#L698: 	_g_.waitreason = waitReasonDumpingHeap
		runtime2.go#L1020: 	waitReasonDumpingHeap                             // "dumping heap"
		runtime2.go#L1050: 	waitReasonDumpingHeap:           "dumping heap",