@Override
		public StringTree genGoto(Label fall) {
			if (this == fall) { // placed will also check
				return StringTree.single("");
			}
			return borrowed.genGoto(fall);
		}
Replicate the given label, but without an anchor

@param borrowed the already-fresh label
Ghidra/Features/SystemEmulation/src/main/java/ghidra/pcode/struct/StructuredSleigh.java