[Bug tree-optimization/53844] [4.6/4.7 Regression] GCC generates suboptimal code for unused members of classes in some cases on multiple targets.

[ed at edrosten dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53844

--- Comment #4 from Edward Rosten <ed at edrosten dot com> 2012-07-04 09:42:52 UTC ---
It doesn't seem to do with the address, entirely. It still pushes the values
onto the stack even if the class is changed to have a const int, rather than
const int&.