[Bug c++/55098] c++11: move constructor doesn't run at all (but with a hammer)

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55098



--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-10-27 
16:03:17 UTC ---

(In reply to comment #2)

> See http://en.wikipedia.org/wiki/Return_value_optimization

> Use -fno-elide-constructors to disable constructor elision



And also http://en.wikipedia.org/wiki/Copy_elision which says "It is generally

not recommended to disable this important optimization."