* Disabled regvars in __FPC_default_handler by adding an empty assembler block, it is necessary because RtlUnwind does not preserve registers.
* Fixed backtrace for non-language exceptions in programs without SysUtils unit.

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@27093 3ad0048d-3df7-0310-abae-a5850022a9f2