[Bug c++/61574] Confusing .debug_line generation by -g option

[jamesgua at ca dot ibm.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61574

--- Comment #2 from jamesgua at ca dot ibm.com ---
(In reply to Andrew Pinski from comment #1)
> This is deconstructors.

I mean why we have those line numbers "17 9 17 9 17", debugger follow the line
number information and user may think the program running backward instead the
incremental way. This is not intuitive.