[Bug c++/68784] deductible parameter type still requires explicit reference cast, e.g., std::thread

redi at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Tue Dec 8 10:24:00 GMT 2015


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68784

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Your version of MSVC does not follow the standard. std::thread copies its
arguments and forwards them as rvalues, so an lvalue cannot bind to the
non-const reference parameter. That's why you need to use std::ref.


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