[Bug c++/54197] [4.7/4.8 regression] Lifetime of reference not properly extended

[aaw at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54197

--- Comment #4 from Ollie Wild <aaw at gcc dot gnu.org> 2012-08-16 18:46:42 UTC 
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Fix submitted to the google/gcc-4_7 branch.

Still waiting on maintainer approval for the trunk and gcc-4_7-branches.