func golang.org/x/sync/errgroup.WithContext

2 uses

	golang.org/x/sync/errgroup (current package)
		errgroup.go#L48: func WithContext(ctx context.Context) (*Group, context.Context) {

	golang.org/x/tools/go/packages
		packages.go#L930: 		g, _ := errgroup.WithContext(ld.Context)