+ Internal linker: base support for sections that aren't referenced but must be linked if section referenced by them is linked (like win64 .pdata). Actual handling is still to be implemented in descendant classes.

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@24224 3ad0048d-3df7-0310-abae-a5850022a9f2
ibconnection:fixed rounding problem in timestamp

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@24225 3ad0048d-3df7-0310-abae-a5850022a9f2