TUTF16TextReader.Eof never set on BCB64

[MaxTerentiev]

In BCB64 Rio this code:

String tmpStr;
while(!UTF16TextReader.Eof)
UTF16TextReader.Readln(tmpStr);

Works as infinite loop (UTF16TextReader.Eof is always false).

In BCB32, Delphi32, Delphi64 its works as expected.