runtime.childInfo.depth (field)

4 uses

	runtime (current package)
		heapdump.go#L242: 	depth  uintptr   // depth in call stack (0 == most recent)
		heapdump.go#L284: 	dumpint(uint64(child.depth))                       // # of frames deep on the stack
		heapdump.go#L332: 	child.depth++
		heapdump.go#L374: 	child.depth = 0