[Bug libstdc++/56468] Clang exposes bug with unexpected forward-declaration of type_info

[steven at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56468

--- Comment #8 from Steven Bosscher <steven at gcc dot gnu.org> 2013-03-16 23:46:08 UTC ---
(In reply to comment #7)
> Fixed on trunk and 4.7 branch so far, the fix will also be done for 4.8.1

It's unusual for a bug to be fixed for a previous release and for trunk,
but not on the latest release. Isn't this worth applying to GCC 4.8.0
also? The patch looks safe and simple enough...