public static boolean isSwitchEffectiveGoto(@Nonnull LookupSwitchInsnNode switchInsn) {
		LabelNode target = switchInsn.dflt;
		for (LabelNode label : switchInsn.labels)
			if (label != target)
				return false;
		return true;
	}
@param switchInsn
		Switch instruction.

@return {@code true} when all destinations are identical.
recaf-core/src/main/java/software/coley/recaf/util/AsmInsnUtil.java