Stack: ..., word3, word2, word1 -> ..., word1, word3, word2, word1
super(com.sun.org.apache.bcel.internal.Constants.DUP_X2);
Call corresponding visitor method(s). The order is: Call visitor methods of implemented interfaces first, then call methods according to the class hierarchy in descending order, i.e., the most specific visitXXX() call comes last.paramv Visitor object v.visitStackInstruction(this); v.visitDUP_X2(this);
v.visitStackInstruction(this); v.visitDUP_X2(this);