Ticket #5478: Only functions and equal operators might return a temporary.
Ticket #5356: Added test case that works following the fix for #5506.
Merge pull request #245 from simartin/ticket_5478

Ticket #5478: Only functions and equal operators might return a temporary
Merge pull request #246 from simartin/ticket_5356

Ticket #5356: Added test case that works following the fix for #5506.
Makefile: use debug mode