------- Comment #5 from navin dot kumar at gmail dot com 2010-04-19 00:22 ------- Andrew,
What about the performance bug? empty_t x; // line1 empty_t y = x; // line2 Line2 should not result in copying memory for empty classes. And that was the old behavior pre-4.5.0 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43787
