http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50929
--- Comment #2 from Jarryd Beck <jarrydb at cse dot unsw.edu.au> 2011-10-31 07:42:54 UTC --- That's a shame, and rather annoying. I read pages and pages of the standard to try to understand this one. Do you know where this is explained? I added a non-const constructor and also tried it with a const object, they worked as you said.
