[Bug lto/53768] [4.7 Regression] Undefined references with boost 1.46/1.48/1.49

[markus at trippelsdorf dot de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53768

--- Comment #2 from Markus Trippelsdorf <markus at trippelsdorf dot de> 
2012-06-25 17:01:35 UTC ---
Insofar as it only issues warnings:
/tmp/cc4Lw5GR.ltrans1.ltrans.o:cc4Lw5GR.ltrans1.o:function vtable for
boost::exception_detail::clone_impl<boost::exception_detail::current_exception_std_exception_wrapper<std::bad_cast>
> [clone .local.460]: warning: relocation refers to discarded section
...