http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51244
--- Comment #21 from Oleg Endo <olegendo at gcc dot gnu.org> 2012-03-06 11:29:17 UTC --- (In reply to comment #20) > I've confirmed that 22_locale/ctype/is/char/3.cc doesn't fail > if linking with libstdc++.a which is built with the compiler > without r184966 changes. The .s files against 3.cc are same with > the both compilers. It looks that the problematic object is > libstdc++-v3/src/c++98/ctype_configure_char.o because the error > went away if replacing it with another one. I've attached .i and > .s files for that file. The option used is [...] Cool. Thanks a lot! I think I know what the problem is now. Looking into it...