[Bug c++/69302] parentheses cause address of register variable to be requested

[manu at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69302

Manuel López-Ibáñez <manu at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jason at redhat dot com
            Summary|Using bswap in template     |parentheses cause address
                   |function with               |of register variable to be
                   |-ftrack-macro-expansion=0   |requested
                   |results in a false compiler |
                   |error                       |

--- Comment #4 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
template <typename BLAH>
unsigned int foo()
{
  register unsigned int __x = 0x00000FFF;
  return (__x) & 0xff000000 ;
}

The parentheses are significant!