@Override
		public String toString() {
			return getHead();
		}
Construct a new block

@param program the program (i.e., passage) from which this block is derived
@param code the subset of ops, in execution order, comprising this block
Ghidra/Framework/Emulation/src/main/java/ghidra/pcode/emu/jit/analysis/JitControlFlowModel.java