var runtime.heapRandSeed

4 uses

	runtime (current package)
		malloc.go#L391: 	heapRandSeed              uintptr
		malloc.go#L399: 	r := heapRandSeed >> (64 - bits)
		malloc.go#L400: 	heapRandSeed <<= bits
		malloc.go#L578: 			heapRandSeed, heapRandSeedBitsRemaining = uintptr(bootstrapRand()), 64