[Bug c++/77542] New: __attribute__((warn_unused_result)) ignored on function template

[afenkart at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77542

            Bug ID: 77542
           Summary: __attribute__((warn_unused_result)) ignored on
                    function template
           Product: gcc
           Version: 5.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: afenkart at gmail dot com
  Target Milestone: ---

..
  template <typename... Args>                                                   
  ReturnValue bind(Args&&... args) __attribute__((warn_unused_result));
..

When ignoring the return value, gcc emits no warning.



$ gcc --version
gcc (Debian 5.4.0-4) 5.4.0 20160609
Copyright (C) 2015 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.