[Bug c++/78861] sequencer.cpp:603:53: error: cannot convert 'std::basic_istream::__istream_type {aka std::basic_istream}' to 'bool' in assignment

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78861

--- Comment #3 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
(In reply to mgans...@alice.de from comment #2)
> (In reply to Markus Trippelsdorf from comment #1)
> > https://gcc.gnu.org/gcc-6/porting_to.html
> 
> I am not a software developer, could you please tell me, where can i get
> help ?

Well, just read the porting_to page. It explicitly addresses your issue.

instead of:
   result = ( iss >> t.duration >> t.width );
use:
   result = ( (bool)iss >> t.duration >> t.width );