Ticket #5709: Comma operator not properly tokenized.
Merge pull request #293 from simartin/ticket_5709

Ticket #5709: Comma operator not properly tokenized.
Doublefree: Fixed FP when exit() is called
Double free: Improved handling of noreturn functions. Partial revert of previous fix.
Reinstate error message.
AST: Fixed handling of '(((typeof(x))*)0)'
Fixed #5756 (declspec(nothrow) not supported)
Merge pull request #294 from simartin/typo_520aaf71

Reinstate error message.
Use CXXFLAGS upon linking dmake for consistency