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