[Bug c++/54930] Add warning switch for "returning reference to temporary" and similar

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54930



--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-10-15 
10:09:01 UTC ---

Created attachment 28448

  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28448

add -Wreturn-local-addr switch



This bootstraps, I'll regtest it tonight