var stmts []ast.Stmt
			switch s := last.(type) {
			case *ast.GoStmt:
				stmts = litStmts(s.Call.Fun)
			case *ast.DeferStmt:
				stmts = litStmts(s.Call.Fun)
			case *ast.ExprStmt: // check for errgroup.Group.Go
				if call, ok := s.X.(*ast.CallExpr); ok {
					stmts = litStmts(goInvoke(pass.TypesInfo, call))
				}
			}
			for _, stmt := range stmts {
				reportCaptured(pass, vars, stmt)