* fixed using readstr/writestr inside routines called from the parameter
    list of another readstr/writestr expression (mantis #23912)

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@23888 3ad0048d-3df7-0310-abae-a5850022a9f2
* fixed code which causes range check errors when compiled with -Cr

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@23889 3ad0048d-3df7-0310-abae-a5850022a9f2
* avoid range check error when compiled with -Cr

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@23890 3ad0048d-3df7-0310-abae-a5850022a9f2