abort()
	}
	if crashingG.Load() == me {
		// recursive crashing. too bad.
		writeErrStr("fatal: recursive switchToCrashStack\n")
		abort()
	}
	// Another g is crashing. Give it some time, hopefully it will finish traceback.
	usleep_no_g(100)
	writeErrStr("fatal: concurrent switchToCrashStack\n")
	abort()
}