private GccTypeinfo createGccTypeinfo(Symbol typeinfoSymbol, boolean isSpecial) {

		Address typeinfoAddress = typeinfoSymbol.getAddress();
		boolean isExternal =
			typeinfoAddress.isExternalAddress() || inExternalBlock(typeinfoAddress);

		GccTypeinfo gccTypeinfo = new GccTypeinfo(typeinfoSymbol.getAddress(),
			typeinfoSymbol.getParentNamespace(), isSpecial, !isExternal);
		return gccTypeinfo;
	}
Method to update the labels of vftables that belong to classes with multiple vftables in 
order to distinguish which base class the vftable is for.
@throws CancelledException if cancelled
@throws InvalidInputException if bad chars trying to label
@throws DuplicateNameException if duplicate name
Ghidra/Features/Decompiler/ghidra_scripts/classrecovery/RTTIGccClassRecoverer.java