const internal/abi.FuncID_gcBgMarkWorker

2 uses

	internal/abi (current package)
		symtab.go#L49: 	FuncID_gcBgMarkWorker

	runtime
		stack.go#L1210: 	if f.valid() && f.funcID == abi.FuncID_gcBgMarkWorker {

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)