* fixed duplicate field name

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@28819 3ad0048d-3df7-0310-abae-a5850022a9f2
  * check for duplicate identifiers when inserting union symtables into the
    parent record symtable (mantis #26704)

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@28820 3ad0048d-3df7-0310-abae-a5850022a9f2