(command.CommandList children: [ (C {<.>} { (DQ (braced_var_sub token: <Id.VSub_Name srcdir> suffix_op: (suffix_op.Unary op_id:Id.VTest_Equals arg_word:{<.>}) ) <'/init.sh'> ) } ) (C {<unset>} {<MALLOC_PERTURB_>}) (command.AndOr ops: [Id.Op_DPipe] children: [ (command.Subshell child: (command.AndOr ops: [Id.Op_DAmp Id.Op_DAmp] children: [ (C {<cd>} {(DQ ($ Id.VSub_DollarName '$initial_cwd_'))}) (C {<rm>} {<-f>} {<test-verify.o>}) (command.Simple words: [{($ Id.VSub_DollarName '$MAKE')} {<test-verify.o>}] redirects: [ (redir op: <Id.Redir_Great '>'> loc: (redir_loc.Fd fd:1) arg: {<'/dev/null'>} ) (redir op: <Id.Redir_GreatAnd '2>&'> loc: (redir_loc.Fd fd:2) arg: {<1>} ) ] do_fork: T ) ] ) ) (C {<skip_>} {(DQ <'cannot compile error-free'>)}) ] ) (command.Simple words: [{<Id.Lit_Colon ':'>}] redirects: [(redir op:<Id.Redir_Great '>'> loc:(redir_loc.Fd fd:1) arg:{<out>})] do_fork: T ) (command.Simple words: [{<Id.Lit_Colon ':'>}] redirects: [(redir op:<Id.Redir_Great '>'> loc:(redir_loc.Fd fd:1) arg:{<err>})] do_fork: T ) (command.ForEach iter_name: i iter_words: [{<1>} {<2>} {<3>} {<4>} {<5>}] do_arg_iter: F body: (command.DoGroup children: [ (command.AndOr ops: [Id.Op_DAmp] children: [ (command.Subshell child: (command.CommandList children: [ (C {<cd>} {(DQ ($ Id.VSub_DollarName '$initial_cwd_'))}) (C {<rm>} {<-f>} {<test-verify.o>}) (C {($ Id.VSub_DollarName '$MAKE')} {<Id.Lit_VarLike 'CFLAGS='> <-DEXP_FAIL> <Id.Lit_Equals '='> ($ Id.VSub_DollarName '$i') } {<test-verify.o>} ) ] ) redirects: [ (redir op: <Id.Redir_DGreat '>>'> loc: (redir_loc.Fd fd:1) arg: {<out>} ) (redir op: <Id.Redir_DGreat '2>>'> loc: (redir_loc.Fd fd:2) arg: {<err>} ) ] ) (BraceGroup children: [ (command.Sentence child: (C {<warn_>} { (DQ <'compiler didn\'t detect verification failure '> ($ Id.VSub_DollarName '$i') ) } ) terminator: <Id.Op_Semi _> ) (command.Sentence child: (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:fail) op: assign_op.Equal rhs: {<1>} spids: [151] ) ] ) terminator: <Id.Op_Semi _> ) ] ) ] ) ] ) ) (C {<Exit>} {($ Id.VSub_DollarName '$fail')}) ] )