http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46272
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2010-11-02 17:21:53 UTC --- Similar error on powerpc-darwin: In file included from /Users/regress/tbox/native/build/powerpc-apple-darwin9.8.0/libstdc++-v3/include/atomic:42:0, from /Users/regress/tbox/svn-gcc/libstdc++-v3/include/precompiled/stdc++.h:99: /Users/regress/tbox/native/build/powerpc-apple-darwin9.8.0/libstdc++-v3/include/bits/atomic_0.h: In member function 'bool std::__atomic0::__atomic_base<_IntTp>::compare_exchange_weak(std::__atomic0::__atomic_base<_IntTp>::__int_type&, std::__atomic0::__atomic_base<_IntTp>::__int_type, std::memory_order, std::memory_order) [with _ITp = bool, std::__atomic0::__atomic_base<_IntTp>::__int_type = bool, std::memory_order = std::memory_order]': /Users/regress/tbox/native/build/powerpc-apple-darwin9.8.0/libstdc++-v3/include/atomic:111:66: instantiated from here /Users/regress/tbox/native/build/powerpc-apple-darwin9.8.0/libstdc++-v3/include/bits/atomic_0.h:619:9: error: invalid use of const_cast with type '__i_type', which is not a pointer, reference, nor a pointer-to-data-member type