dump(4) print graph of depth 3 only for first input (idx=79).
It print nothing for the second input (idx=77) except the input node.

[t@10 l@10]: print root()->find(82)->dump(4)
 70    CatchProj ===  69  [[ 78 ]] #0@bci -1  !jvms: expr18501::run @ bci:8
 81    MergeMem === _  1  75  1  50  50  [[ 78 ]]  { - N50:javasoft/sqe/tests/lang/expr185/expr18501/expr18501+16 * N50:javasoft/sqe/tests/lang/expr185/expr18501/expr18501+24 * }  Memory: @BotPTR *+bot, idx=Bot; !jvms: expr18501::run @ bci:8
 77    Proj ===  65  [[ 78  82 ]] #5 !jvms: expr18501::run @ bci:8
 78    Initialize  ===  70  1  81  1  1  77  [[ 79  80 ]]  !jvms: expr18501::run @ bci:8
 79    Proj ===  78  [[ 90  82 ]] #0 !jvms: expr18501::run @ bci:8
 82    CheckCastPP ===  79  77  [[ 181  159  90  90  174  121  112  121  123 ]]  #javasoft/sqe/tests/lang/expr185/expr18501/expr18501:NotNull:exact *  Oop:javasoft/sqe/tests/lang/expr185/expr18501/expr18501:NotNull:exact * !jvms: expr18501::run @ bci:8