(CommandList children: [ (FuncDef name: check body: (BraceGroup children: [ (If arms: [ (if_arm cond: [ (Pipeline children: [ (C {(grep)} {(-q)} {(DQ ($ VSub_Number '$2'))} {(DQ ($ VSub_Number '$1'))}) ] negated: T ) ] action: [ (C {(echo)} { (DQ ("Garbage collection should not have collected '") ($ VSub_Number '$2') ("'") ) } ) (ControlFlow token:<ControlFlow_Exit exit> arg_word:{(1)}) ] spids: [16777215 95] ) ] spids: [16777215 112] ) ] spids: [75] ) spids: [71 74] ) (C {(check)} {(gc_dynamic_list_test.stdout)} {(DQ (keep))}) ] )